tag:blogger.com,1999:blog-27656078765162667012024-03-05T08:17:31.030-08:00wira-baruna-cyclingWira Baruna Cyclinghttp://www.blogger.com/profile/02922729335378325254noreply@blogger.comBlogger66125tag:blogger.com,1999:blog-2765607876516266701.post-16112097312533562912011-11-17T09:04:00.000-08:002011-11-17T09:04:09.593-08:00mbah nya TREK .... he he he .................<div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh6uc5peJjYuoY-ujRfuFuxXdm_V1twnkOpg1TZ5jUJ-1ABhUXfN2Pc20fJv8kIeig3JlczYVI2jw9sO3HRwFsyB963GsuqLTSDmvRquAo_oErjkH7QvFSe13fgauzuci9-d8qZ_iT29JQ/s1600/klein_attitude92450.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="243" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh6uc5peJjYuoY-ujRfuFuxXdm_V1twnkOpg1TZ5jUJ-1ABhUXfN2Pc20fJv8kIeig3JlczYVI2jw9sO3HRwFsyB963GsuqLTSDmvRquAo_oErjkH7QvFSe13fgauzuci9-d8qZ_iT29JQ/s320/klein_attitude92450.jpg" width="320" /></a></div>susu.panashttp://www.blogger.com/profile/15286263049026552037noreply@blogger.com1tag:blogger.com,1999:blog-2765607876516266701.post-82036548647833588262011-11-17T08:40:00.000-08:002011-11-17T08:40:42.096-08:00Laju Sepeda waktu d gowesss......HAL APA YG MENGHAMBAT LAJU SEPEDA DAN BAGAIMANA CARA MEMINIMALISIR HAMBATAN TERSEBUT? Nah, jawabannya menurut saya adalah sebagai berikut:<br />
<br />
(1) <b>Hambatan GRAVITASI,</b> ini bisa dikurangi dengan mengurangi bobot sepeda (dan bobot pengendara-nya). <br />
<br />
Terkait bobot, harus dibedakan antara <b>bobot statis</b> dengan <b>bobot dinamis (rotating weight)</b>. Bobot statis adalah bobot sepeda saat ditimbang, tidak akan berubah baik saat sepeda diam ataupun bergerak. Bobot statis ditopang oleh sepedanya sendiri (kecuali kalo sepeda lagi dipanggul, maka otomatis bobot statis ditopang orang yg manggul). Bobot statis berpengaruh sangat negatif ditanjakan karena menambah beban yg harus ditanggung kaki kita saat mengayuh. Tapi justru berpengaruh sangat positif di turunan karena menambah daya luncur sepeda serta memudahkan sepeda utk dikendalikan.<br />
<br />
Bobot dinamis adalah bobot yang timbul saat sepeda digerakkan dengan kayuhan kaki, bobot dinamis utamanya berasal sisi luar dari roda yg diputar dgn kayuhan. Pada dasarnya bobot dinamis inilah yg harus kita tanggung saat mengayuh sepeda, karena itu harus diminimalisir dgn cara mengurangi bobot ban luar + ban dalam + rim.<br />
<br />
(2) <b>Hambatan ANGIN</b>, ini bisa dikurangi dengan memperbaiki aerodinamika sepeda termasuk posisi badan pengendaranya, dibuat semaksimal mungkin mengurangi hambatan angin dari depan. <br />
<br />
(3) <b>Hambatan GESEKAN EKSTERNAL</b>, yakni gesekan antara ban (yg menopang bobot sepeda dan pengendara) dengan permukaan tanah. Biasanya disebut juga ROLLING RESISTANCE. Ini diminimalisir dgn cara memilih ban dgn knob (kembangan) dan bahan yg lebih "licin". Tapi, kalo ini dilakukan akan mengurangi daya cengkram ban ke tanah sehingga jika sepeda dibawa ke permukaan yg longgar ban akan sering slip sehingga malah mengurangi efisiensi gowesan (pedalling efficiency)<br />
<br />
(4) <b>Hambatan GESEKAN INTERNAL</b>, yakni gesekan antara bagian2 sepeda yg bergerak dan saling bersentuhan satu sama lain, misalnya rantai dgn gigi-gigi pada chainring dan sprocket, as Crankset dengan bearing dari BB, gesekan antara komponen2 dalam bearing pada hub dan freehub. dsb. Gesekan2 ini tidak bisa dihilangkan tapi bisa diminimalisir utamanya dgn pelumasan dan dengan memastikan bagian2 tersebut tidak mengalami perubahan bentuk yg menambah gesekan. Ada juga gesekan2 yg sebenanrnya bisa dihilangkan sama sekali, misalnya gesekan antara brakepad dgn permukaan rotor (dihilangkan dgn menyetel posisi kaliper dan brakepad).<br />
<br />
(5) <b>POWER LOSS atau tenaga yg hilang.</b> Saat kaki pengayuh pedal, maka tidak semua energi dari kayuhan itu ditransferkan ke putaran roda. <br />
<br />
Sebagian energi tersebut hilang karena (a) Diserap suspensi depan dan belakang, hal ini bisa diminimalisir dgn menyetting suspensi yakni dgn menambah kompresi dan menambah rebound, namun hal ini di lain pihak akan mengurangi kemampuan suspensi meredam benturan, jadi harus diambil jalan tengah. Khusus utk suspensi belakang pada sepeda fullsus, ada juga effek "bobbing". <br />
<br />
Sebagian energi juga (b) Diserap badan sepeda, hal ini bisa diminimalisir dengan memilih frame yang "stiff" alias kaku. Kekakuan frame utamanya dipengaruhi oleh bahan, aluminium adalah bahan yg bagus kekakuannya tapi bahan karbon lebih kaku lagi. Titanium meskipun ringan tapi kurang kaku, makanya jarang dipake utk sepeda racing (roadbike yg paling mahal sekalipun jarang sekali pake bahan titanium). Kekakuan frame juga dipengaruhi oleh desain, makanya ada frame yg lebih kaku dari yg lain meskipun terbuat dari bahan yg sama.<br />
<br />
Ada juga sebagian energi yg (c) Diserap ban. (d) Lalu adapula energi yg hilang karena ban terangkat dari permukaan saat berputar sehingga kayuhan gagal mendorong sepeda ke depan. Hal ini disebabkan sistem suspensi yg rebound (tendangan balik) nya terlalu keras atau cepat. (e) Energi juga terbuang percuma ketika ban slip, dan hal ini bisa diminimalisir dgn memperbaiki daya cengkram ban (pilih ban dgn kembangan yg lebih mencengkram, kurangi tekanan dalam ban alias dikempesin sedikit).susu.panashttp://www.blogger.com/profile/15286263049026552037noreply@blogger.com0tag:blogger.com,1999:blog-2765607876516266701.post-54820341641586980192011-08-24T09:08:00.000-07:002011-08-24T09:08:00.856-07:00BIKE STAND<div style="font-family: "Courier New",Courier,monospace;"><span style="font-size: large;">Sediakan Pipa PVC ukuran ¾ dan sambungannya yang berbentuk T dan Siku (Yang berbentuk T 6 buah dan yang siku juga 6 buah) serta buat penyambung antar sambungan dari pipa PVC ¾ sebanyak 4 buah. Untuk Ukuran tinggi dan lebar ’Disesuaikan dengan Roda Depan’ usahakan agar bagian bawah tidak molos dan pas. Dan bagian untuk tinggi usahakan agar1/2 dari ban dapat masuk namun pada permukaan atas dapat mencepit. keterangan pic<br />
<img alt="" border="0" src="http://img138.imageshack.us/img138/3541/6qllkx.jpg" /><br />
Rangkai bagian tiap bagian, jgn lupa di lem gan pake lem pipa biar lebih kuat.<br />
<img alt="" border="0" src="http://img29.imageshack.us/img29/9017/16abbwk.jpg" /><br />
<img alt="" border="0" src="http://img138.imageshack.us/img138/3972/4rrc76.jpg" /><br />
<br />
smoga berguna </span><span style="font-size: large;"><br />
salam gowes,<img alt="" border="0" class="inlineimg" src="http://sepedaku.com/forum/images/smilies/smiley.gif" title="Smiley" /></span></div>susu.panashttp://www.blogger.com/profile/15286263049026552037noreply@blogger.com0tag:blogger.com,1999:blog-2765607876516266701.post-992206788127242092011-08-06T10:42:00.000-07:002011-08-06T10:46:32.029-07:00Bikeskills.com: Downhill Basics with Greg Minnaar<iframe allowfullscreen="" frameborder="0" height="295" src="http://www.youtube.com/embed/J7dnXiNBDXE?fs=1" width="480"></iframe>susu.panashttp://www.blogger.com/profile/15286263049026552037noreply@blogger.com0tag:blogger.com,1999:blog-2765607876516266701.post-71739958202399244132011-08-06T07:23:00.000-07:002011-08-06T07:44:14.401-07:00How To Position Your Body While Riding a Road Bike Video<iframe allowfullscreen="" frameborder="0" height="295" src="http://www.youtube.com/embed/xcXlJg6lns4?fs=1" width="480"></iframe>susu.panashttp://www.blogger.com/profile/15286263049026552037noreply@blogger.com0tag:blogger.com,1999:blog-2765607876516266701.post-161314519636172272011-08-04T07:08:00.000-07:002011-08-04T07:08:39.613-07:00wira-baruna-cycling: How to Mountain Bike Downhills<a href="http://wbcycling.blogspot.com/2011/08/how-to-mountain-bike-downhills.html">wira-baruna-cycling: How to Mountain Bike Downhills</a>Wira Baruna Cyclinghttp://www.blogger.com/profile/02922729335378325254noreply@blogger.com0tag:blogger.com,1999:blog-2765607876516266701.post-2817307751305587162011-08-04T06:35:00.000-07:002011-08-04T06:35:58.750-07:00How to Mountain Bike Downhills<iframe src="http://www.youtube.com/embed/o-L-CD2uv90?fs=1" allowfullscreen="" frameborder="0" height="295" width="480"></iframe>Wira Baruna Cyclinghttp://www.blogger.com/profile/02922729335378325254noreply@blogger.com0tag:blogger.com,1999:blog-2765607876516266701.post-49718915727822420422011-08-03T07:10:00.000-07:002011-08-03T07:10:51.321-07:00Orbea Alma 2011 carbon bike ........<iframe src="http://www.youtube.com/embed/ntQtd_ogbf8?fs=1" allowfullscreen="" frameborder="0" height="295" width="480"></iframe>susu.panashttp://www.blogger.com/profile/15286263049026552037noreply@blogger.com0tag:blogger.com,1999:blog-2765607876516266701.post-75375670092662428612011-08-03T06:50:00.000-07:002011-08-03T06:50:03.336-07:00CNP-Orbea Alma G Team Overview<iframe src="http://www.youtube.com/embed/Lq4uAm0uYe0?fs=1" allowfullscreen="" frameborder="0" height="344" width="425"></iframe>susu.panashttp://www.blogger.com/profile/15286263049026552037noreply@blogger.com0tag:blogger.com,1999:blog-2765607876516266701.post-58058558810554555832011-08-03T06:35:00.000-07:002011-08-03T06:35:30.966-07:00Fitting a Bicycle to You : How to Fit a Mountain Bike to You<iframe src="http://www.youtube.com/embed/h14k1-0MW9g?fs=1" allowfullscreen="" frameborder="0" height="344" width="425"></iframe>susu.panashttp://www.blogger.com/profile/15286263049026552037noreply@blogger.com0tag:blogger.com,1999:blog-2765607876516266701.post-12441138173626782682011-08-03T06:26:00.000-07:002011-08-03T06:26:55.235-07:00How To Fit Your Road Bike Video<iframe src="http://www.youtube.com/embed/1Fsr7yYShD8?fs=1" allowfullscreen="" frameborder="0" height="295" width="480"></iframe>susu.panashttp://www.blogger.com/profile/15286263049026552037noreply@blogger.com0tag:blogger.com,1999:blog-2765607876516266701.post-12441359444608387662011-08-03T05:56:00.000-07:002011-08-03T05:56:26.019-07:00Fitting your bicycle<iframe src="http://www.youtube.com/embed/8Zn-uNBok28?fs=1" allowfullscreen="" frameborder="0" height="344" width="425"></iframe>susu.panashttp://www.blogger.com/profile/15286263049026552037noreply@blogger.com0tag:blogger.com,1999:blog-2765607876516266701.post-24113781263754780842011-08-03T05:07:00.000-07:002011-08-03T05:07:12.987-07:00How To Fit Your Road Bike Video<iframe src="http://www.youtube.com/embed/1Fsr7yYShD8?fs=1" allowfullscreen="" frameborder="0" height="295" width="480"></iframe>susu.panashttp://www.blogger.com/profile/15286263049026552037noreply@blogger.com0tag:blogger.com,1999:blog-2765607876516266701.post-12233741632085437522011-06-11T07:11:00.001-07:002011-07-22T08:15:47.246-07:00Alumunium 6061 -- 7005<div class="posttitle" style="font-family: Verdana,sans-serif;"><h2 class="pagetitle"><span style="font-size: small;">6061 Vs. 7005 Aluminum for Bikes</span></h2></div><div id="intelliTxt" style="font-family: Verdana,sans-serif;"><span style="font-size: small;">You can’t tell the differences between the 6000 series and the 7000 series of aluminum bikes by looking at them. But the compounds and qualities of the aluminum are different. They are different to allow for more affordability, to give the buyer a choice between certain aspects of performance versus cost.</span></div><ol id="intelliTxt" style="font-family: Verdana,sans-serif;"><li> <h2><span style="font-size: small;">Formula</span></h2><ul><li> <div><div><span style="font-size: small;">When aluminum is cast, it is mixed with other minerals to impart different qualities to the metal. 6061 aluminum is cast with magnesium as its primary additive. 7005 aluminum is cast with zinc as its primary additive. Both formulas have different qualities of lightness, strength and cost. 6061 aluminum is cheaper, thus making a bike built from it more affordable. It’s more costly to use zinc as an aluminum additive, making the 7005 series more expensive.</span></div></div></li>
</ul><h2><span style="font-size: small;">Strength</span></h2><ul><li> <div><div><span style="font-size: small;">While the strength of most bike frames is not much of an issue, when bike frames continue to get thinner and lighter, strength can be a deciding factor. Magnesium frames are not as hard as zinc frames. <u><span style="background-color: yellow;">This makes the 7005 the better choice if your frame is extremely light such as on some elite road bikes. For mountain bikes that have a bigger tube design, 6061 aluminum is strong enough.</span></u></span></div></div></li>
</ul><h2><span style="font-size: small;">Ride</span></h2><ul><li> <div><div><span style="font-size: small;">Due to its inherent hardness, 7005 aluminum bikes feel rougher when you ride them. You might not realize it, but bike frames bend when you ride the bike. They absorb bumps and road vibration. The 6061 alloy is softer, making the bike’s ride more comfortable. The stiffness of the 7005 frame make its ride more harsh. For smoother riding bikes, choose 6061 frames.</span></div></div></li>
</ul><h2><span style="font-size: small;">Appeal</span></h2><ul><li> <div><div><span style="font-size: small;">If you care about <a href="http://www.ehow.com/fashion/">fashion</a>, keeping up with the latest trends, or want to have the highest priced aluminum bike, you would want to choose the more expensive 7005. 7005 bikes also have more expensive components, and the bike will probably be slightly lighter due to this fact alone. A 6061 bike will cost hundreds of dollars less, though, and will do virtually anything a 7005 bike can do.</span><br />
<nobr><span style="font-size: small;"><b>The biggest difference is WHO is making the actual frames...</b></span></nobr><br />
<table><tbody>
<tr><td valign="top"><table border="0" cellpadding="5"><tbody>
<tr><td align="right"></td></tr>
<tr><td colspan="2"><span style="font-size: small;">and what facilities they have for production. 6000 series alloys require more post welding procedures to have adequate strength for <br />
usage as a structural material than 7000 series alloys, but they <br />
are slightly easier to work with, have a VERY slight (like 0.002 <br />
pounds per cubic inch) density advantage, and somewhat better corrosion resistance. On an aircraft you'd typically see a 6000 series <br />
alloy used for the external skin and a 2000 or 7000 alloy used for <br />
internal framing and structural supports. <br />
<br />
Simply using one alloy or another is not going to make a frame lighter </span> <span style="font-size: small;"><br />
or not. That depends on the frame designer and how he manipulates the <br />
tube sizes, wall thicknesses and so forth. </span></td></tr>
</tbody></table></td><td align="right" valign="top"></td></tr>
</tbody></table></div></div></li>
</ul></li>
</ol>Wira Baruna Cyclinghttp://www.blogger.com/profile/02922729335378325254noreply@blogger.com0tag:blogger.com,1999:blog-2765607876516266701.post-12722432544660612392011-06-10T10:35:00.000-07:002011-06-11T07:30:25.928-07:00StumpjumperThe <b>Specialized Stumpjumper</b> is a <a href="http://en.wikipedia.org/wiki/Mountain_bike" title="Mountain bike">mountain bike</a> produced by <a href="http://en.wikipedia.org/wiki/Specialized_Bicycle_Components" title="Specialized Bicycle Components">Specialized Bicycle Components</a>. When it was first produced in 1981, the Stumpjumper was the first <a class="mw-redirect" href="http://en.wikipedia.org/wiki/Mass-production" title="Mass-production">mass-production</a> mountain bike. The Stumpjumper is still in production, although its design has changed significantly since it was first sold. Stumpjumpers have been raced professionally by riders including <a href="http://en.wikipedia.org/wiki/Christoph_Sauser" title="Christoph Sauser">Christoph Sauser</a> and <a href="http://en.wikipedia.org/wiki/Ned_Overend" title="Ned Overend">Ned Overend</a>.<br />
<br />
<br />
<a href="http://upload.wikimedia.org/wikipedia/commons/4/44/P1080421_resize.JPG">http://upload.wikimedia.org/wikipedia/commons/4/44/P1080421_resize.JPG</a><br />
<table class="toc" id="toc"></table><br />
<table class="toc" id="toc"><tbody>
<tr> <td><div id="toctitle"><h2>Contents</h2><span class="toctoggle">[<a class="internal" href="http://en.wikipedia.org/wiki/Specialized_Stumpjumper#" id="togglelink">hide</a>]</span></div><ul><li class="toclevel-1 tocsection-1"><a href="http://en.wikipedia.org/wiki/Specialized_Stumpjumper#History"><span class="tocnumber">1</span> <span class="toctext">History</span></a></li>
<li class="toclevel-1 tocsection-2"><a href="http://en.wikipedia.org/wiki/Specialized_Stumpjumper#Present_day"><span class="tocnumber">2</span> <span class="toctext">Present day</span></a></li>
<li class="toclevel-1 tocsection-3"><a href="http://en.wikipedia.org/wiki/Specialized_Stumpjumper#Use_by_professional_riders"><span class="tocnumber">3</span> <span class="toctext">Use by professional riders</span></a></li>
<li class="toclevel-1 tocsection-4"><a href="http://en.wikipedia.org/wiki/Specialized_Stumpjumper#References"><span class="tocnumber">4</span> <span class="toctext">References</span></a></li>
<li class="toclevel-1 tocsection-5"><a href="http://en.wikipedia.org/wiki/Specialized_Stumpjumper#Further_reading"><span class="tocnumber">5</span> <span class="toctext">Further reading</span></a></li>
<li class="toclevel-1 tocsection-6"><a href="http://en.wikipedia.org/wiki/Specialized_Stumpjumper#External_links"><span class="tocnumber">6</span> <span class="toctext">External links</span></a></li>
</ul></td> </tr>
</tbody></table><h2><span class="editsection"></span><span class="mw-headline" id="History">History</span></h2>Specialized started to produce the Stumpjumper in 1981, making it the first mass-production mountain bike.<sup class="reference" id="cite_ref-Reinventing_0-0"><a href="http://en.wikipedia.org/wiki/Specialized_Stumpjumper#cite_note-Reinventing-0">[1]</a></sup><sup class="reference" id="cite_ref-Ruibal_1-0"><a href="http://en.wikipedia.org/wiki/Specialized_Stumpjumper#cite_note-Ruibal-1">[2]</a></sup> The first Stumpjumper was produced in <a href="http://en.wikipedia.org/wiki/Japan" title="Japan">Japan</a> and was based on a design for a custom-made bike originally marketed by <a href="http://en.wikipedia.org/wiki/Tom_Ritchey" title="Tom Ritchey">Tom Ritchey</a>, <a href="http://en.wikipedia.org/wiki/Gary_Fisher" title="Gary Fisher">Gary Fisher</a> and Charles Kelly.<sup class="reference" id="cite_ref-2"><a href="http://en.wikipedia.org/wiki/Specialized_Stumpjumper#cite_note-2">[3]</a></sup> Specialized's founder <a href="http://en.wikipedia.org/wiki/Mike_Sinyard" title="Mike Sinyard">Mike Sinyard</a> has explained that the company's aim was to "make a bike on a production basis but as though it was a custom bike". The first Stumpjumpers had welded steel frames because the <a href="http://en.wikipedia.org/wiki/Lugged_steel_frame_construction" title="Lugged steel frame construction">lugged and brazed frames</a> that designer Tim Neenan wanted to use were not available at the time. The original bike had a modified <a href="http://en.wikipedia.org/wiki/BMX_bike" title="BMX bike">BMX</a> <a href="http://en.wikipedia.org/wiki/Stem_%28bicycle_part%29" title="Stem (bicycle part)">stem</a> and <a href="http://en.wikipedia.org/wiki/Bicycle_handlebar" title="Bicycle handlebar">handlebars</a> based on <a href="http://en.wikipedia.org/wiki/Magura" title="Magura">Magura</a> motorcycle handlebars.<sup class="reference" id="cite_ref-Rogers_3-0"><a href="http://en.wikipedia.org/wiki/Specialized_Stumpjumper#cite_note-Rogers-3">[4]</a></sup> The bike was equipped with 15-speed<sup class="reference" id="cite_ref-Hewitt_4-0"><a href="http://en.wikipedia.org/wiki/Specialized_Stumpjumper#cite_note-Hewitt-4">[5]</a></sup> <a class="mw-redirect" href="http://en.wikipedia.org/wiki/Suntour" title="Suntour">Suntour</a> ARX GT <a href="http://en.wikipedia.org/wiki/Bicycle_gearing" title="Bicycle gearing">gears</a>, originally designed for use on <a class="mw-redirect" href="http://en.wikipedia.org/wiki/Road_bike" title="Road bike">road bikes</a>, and the Stumpjumper also featured <a href="http://en.wikipedia.org/wiki/Mafac" title="Mafac">Mafac</a> cantilever <a class="mw-redirect" href="http://en.wikipedia.org/wiki/Bicycle_brake_systems" title="Bicycle brake systems">brakes</a> and a TA Cyclotourist <a href="http://en.wikipedia.org/wiki/Crankset" title="Crankset">chainset</a>, both designed for <a class="mw-redirect" href="http://en.wikipedia.org/wiki/Touring_bike" title="Touring bike">touring bikes</a>.<sup class="reference" id="cite_ref-Rogers_3-1"><a href="http://en.wikipedia.org/wiki/Specialized_Stumpjumper#cite_note-Rogers-3">[4]</a></sup> It had no <a href="http://en.wikipedia.org/wiki/Bicycle_suspension" title="Bicycle suspension">suspension</a>. The bike weighed just under 30 pounds (14 kg).<sup class="reference" id="cite_ref-Ruibal_1-1"><a href="http://en.wikipedia.org/wiki/Specialized_Stumpjumper#cite_note-Ruibal-1">[2]</a></sup><br />
After the first production run in 1981, around 500 were imported to the <a href="http://en.wikipedia.org/wiki/United_States" title="United States">United States</a> over the course of the next year.<sup class="reference" id="cite_ref-Rogers_3-2"><a href="http://en.wikipedia.org/wiki/Specialized_Stumpjumper#cite_note-Rogers-3">[4]</a></sup><sup class="reference" id="cite_ref-5"><a href="http://en.wikipedia.org/wiki/Specialized_Stumpjumper#cite_note-5">[6]</a></sup> The original Stumpjumper was sold for US$750 as a complete bike or $395 for the frame only.<sup class="reference" id="cite_ref-Rogers_3-3"><a href="http://en.wikipedia.org/wiki/Specialized_Stumpjumper#cite_note-Rogers-3">[4]</a></sup> Specialized marketed it as an affordable and versatile bike for a new sport, namely mountain biking,<sup class="reference" id="cite_ref-Rogers_3-4"><a href="http://en.wikipedia.org/wiki/Specialized_Stumpjumper#cite_note-Rogers-3">[4]</a></sup> and used the slogan "The bike for all reasons".<sup class="reference" id="cite_ref-Wallack_6-0"><a href="http://en.wikipedia.org/wiki/Specialized_Stumpjumper#cite_note-Wallack-6">[7]</a></sup> Initially, bike retailers were sceptical about the Stumpjumper, with some asking Sinyard what he was doing with a "big kids' BMX".<sup class="reference" id="cite_ref-Wallack_6-1"><a href="http://en.wikipedia.org/wiki/Specialized_Stumpjumper#cite_note-Wallack-6">[7]</a></sup> However, the first shipment of 125 bikes sold out in six days.<sup class="reference" id="cite_ref-7"><a href="http://en.wikipedia.org/wiki/Specialized_Stumpjumper#cite_note-7">[8]</a></sup> According to sports journalist Ben Hewitt, the Stumpjumper "was a resounding success" and its introduction contributed to the rapid rise in popularity of the new sport.<sup class="reference" id="cite_ref-Hewitt_4-1"><a href="http://en.wikipedia.org/wiki/Specialized_Stumpjumper#cite_note-Hewitt-4">[5]</a></sup><br />
An original Stumpjumper is displayed in the <a href="http://en.wikipedia.org/wiki/Smithsonian_Institution" title="Smithsonian Institution">Smithsonian Institution</a> in <a href="http://en.wikipedia.org/wiki/Washington,_D.C." title="Washington, D.C.">Washington, D.C.</a><sup class="reference" id="cite_ref-CNN_8-0"><a href="http://en.wikipedia.org/wiki/Specialized_Stumpjumper#cite_note-CNN-8">[9]</a></sup><sup class="reference" id="cite_ref-9"><a href="http://en.wikipedia.org/wiki/Specialized_Stumpjumper#cite_note-9">[10]</a></sup> A limited edition reproduction of the original Stumpjumper, featuring modern components and named the Stumpjumper Classic, was produced in 2007 to mark the bike's 25th anniversary. It was available for US$1,300.<sup class="reference" id="cite_ref-10"><a href="http://en.wikipedia.org/wiki/Specialized_Stumpjumper#cite_note-10">[11]</a></sup><br />
<h2><span class="editsection"></span><span class="mw-headline" id="Present_day">Present day</span></h2>Specialized continue to produce the Stumpjumper, which, like mountain bikes in general, has evolved significantly since 1981 and now comes in full (front and rear) suspension and hardtail (front suspension only) options, with the former named the Stumpjumper FSR.<sup class="reference" id="cite_ref-11"><a href="http://en.wikipedia.org/wiki/Specialized_Stumpjumper#cite_note-11">[12]</a></sup><br />
<h2><span class="editsection"></span><span class="mw-headline" id="Use_by_professional_riders">Use by professional riders</span></h2>Professional mountain bikers who ride Stumpjumpers include <a href="http://en.wikipedia.org/wiki/Christoph_Sauser" title="Christoph Sauser">Christoph Sauser</a><sup class="reference" id="cite_ref-12"><a href="http://en.wikipedia.org/wiki/Specialized_Stumpjumper#cite_note-12">[13]</a></sup> and <a href="http://en.wikipedia.org/wiki/Ned_Overend" title="Ned Overend">Ned Overend</a>.<sup class="reference" id="cite_ref-13"><a href="http://en.wikipedia.org/wiki/Specialized_Stumpjumper#cite_note-13">[14]</a></sup> Overend won the 1990 <a href="http://en.wikipedia.org/wiki/UCI_Mountain_Bike_%26_Trials_World_Championships" title="UCI Mountain Bike & Trials World Championships">Mountain Bike World Championships</a> – the first ever event of its kind – on a carbon-fiber prototype Stumpjumper.<a href="http://en.wikipedia.org/wiki/Specialized_Stumpjumper#cite_note-Ruibal-1">[</a>susu.panashttp://www.blogger.com/profile/15286263049026552037noreply@blogger.com0tag:blogger.com,1999:blog-2765607876516266701.post-75976657369370392232011-06-10T10:16:00.005-07:002011-06-10T10:16:58.214-07:00Mountain Bike -- Sepeda Gunung<div style="font-family: Verdana,sans-serif;"><span style="font-size: small;">The history of the mountain bike includes contributions from <a href="http://en.wikipedia.org/wiki/Cyclo-cross" title="Cyclo-cross">cyclo-cross</a> in Europe, the Roughstuff Fellowship in the <a class="mw-redirect" href="http://en.wikipedia.org/wiki/UK" title="UK">UK</a>, and modified heavy <a href="http://en.wikipedia.org/wiki/Cruiser_bicycle" title="Cruiser bicycle">cruiser bicycles</a> used for freewheeling down mountain trails in <a class="mw-redirect" href="http://en.wikipedia.org/wiki/Marin_County" title="Marin County">Marin County</a>, <a href="http://en.wikipedia.org/wiki/California" title="California">California</a>. However, it was not until the late 1970s and early 1980s that <a href="http://en.wikipedia.org/wiki/Road_bicycle" title="Road bicycle">road bicycle</a> companies start<span style="background-color: white;">ed to manufacture mountain bicycles using high-tech lightweight materials. </span><a href="http://en.wikipedia.org/wiki/Specialized_Bicycle_Components" style="background-color: white;" title="Specialized Bicycle Components">Specialized</a><span style="background-color: white;"> introduced the first major production mountain bike in the world, the </span><a href="http://en.wikipedia.org/wiki/Specialized_Stumpjumper" style="background-color: white;" title="Specialized Stumpjumper">Stumpjumper</a><span style="background-color: white;">, in 1981.</span><sup class="reference" id="cite_ref-Reinventing_0-0" style="background-color: white;"><a href="http://en.wikipedia.org/wiki/Mountain_biking#cite_note-Reinventing-0"><span>[</span>1<span>]</span></a></sup><sup class="reference" id="cite_ref-Ruibal_1-0" style="background-color: white;"><a href="http://en.wikipedia.org/wiki/Mountain_biking#cite_note-Ruibal-1"><span>[</span>2<span>]</span></a></sup><span style="background-color: white;"> Throughout the 1990s and 2000s, mountain biking moved from a little-known sport to a mainstream.</span></span></div><h2 style="font-family: Verdana,sans-serif;"><span style="font-size: small;"><span class="editsection"></span> <span class="mw-headline" id="Equipment">Equipment<span style="background-color: white;"></span></span></span></h2><h3 style="font-family: Verdana,sans-serif;"><span style="font-size: small;"><span class="editsection"></span> <span class="mw-headline" id="Bike">Bike</span></span></h3><div class="thumb tright" style="font-family: Verdana,sans-serif;"> <div class="thumbinner" style="width: 222px;"><span style="font-size: small;"><a class="image" href="http://en.wikipedia.org/wiki/File:Hardtail-mountain-bike.jpg"><img alt="" class="thumbimage" height="146" src="http://upload.wikimedia.org/wikipedia/commons/thumb/9/96/Hardtail-mountain-bike.jpg/220px-Hardtail-mountain-bike.jpg" width="220" /></a></span> <div class="thumbcaption"> <div class="magnify"><span style="font-size: small;"><a class="internal" href="http://en.wikipedia.org/wiki/File:Hardtail-mountain-bike.jpg" title="Enlarge"><img alt="" height="11" src="http://bits.wikimedia.org/skins-1.17/common/images/magnify-clip.png" width="15" /></a></span></div><span style="font-size: small;"> A hardtail mountain bike.</span></div></div></div><ul style="font-family: Verdana,sans-serif;"><li><span style="font-size: small;"><b><a href="http://en.wikipedia.org/wiki/Mountain_bike" title="Mountain bike">Mountain bikes</a></b> differ from other bikes primarily in that they incorporate features aimed at increasing durability and improving performance in rough terrain. Most modern mountain bikes have front fork or dual <a class="mw-redirect" href="http://en.wikipedia.org/wiki/Shock_absorbers" title="Shock absorbers">suspension</a>, 26 inch and also 29 or 27.5(<a class="mw-redirect" href="http://en.wikipedia.org/wiki/650b" title="650b">650b</a>) inch diameter tires, usually from 1.7 to 2.5 inches in width, and a wider, flat or upwardly-rising <a href="http://en.wikipedia.org/wiki/Bicycle_handlebar" title="Bicycle handlebar">handlebar</a> that allows a more upright riding position, giving the rider more control. They have a smaller, reinforced <a href="http://en.wikipedia.org/wiki/Bicycle_frame" title="Bicycle frame">frame</a>, usually made of wide tubing. Tires usually have a pronounced lugged <a href="http://en.wikipedia.org/wiki/Tread" title="Tread">tread</a>, and are mounted on rims which are stronger than those used on most non-mountain bicycles. Compared to other bikes, mountain bikes also tend to more frequently use <a class="mw-redirect" href="http://en.wikipedia.org/wiki/Disc_brakes" title="Disc brakes">disc brakes</a>. They also tend to have lower ratio <a href="http://en.wikipedia.org/wiki/Bicycle_gearing" title="Bicycle gearing">gears</a> to facilitate climbing steep hills and traversing obstacles. <a href="http://en.wikipedia.org/wiki/Bicycle_pedal" title="Bicycle pedal">Pedals</a> vary from simple <i>platform</i> pedals, where the rider simply places the shoes on top of the pedals, to <i>clipless</i>, where the rider uses a specially equipped shoe with a sole that engages mechanically into the pedal. Pedals with toe cages (<i>clips</i>) are rarely used anymore as they take longer to get out of than clipless or platform if one takes a fall on the rough terrain.<br />
Generally speaking, enhanced durability and off-road capabilities also result in a heavier bicycle weight to rider ratio than road touring bicycles.<sup class="reference" id="cite_ref-2"><a href="http://en.wikipedia.org/wiki/Mountain_biking#cite_note-2"><span>[</span>3<span>]</span></a></sup></span></li>
</ul><h3 style="font-family: Verdana,sans-serif;"><span style="font-size: small;"><span class="editsection"></span><span class="mw-headline" id="Accessories">Accessories</span></span></h3><ul style="font-family: Verdana,sans-serif;"><li><span style="font-size: small;"><b><a class="mw-redirect" href="http://en.wikipedia.org/wiki/Cycling_gloves" title="Cycling gloves">Gloves</a></b> differ from road touring gloves, are made of heavier construction, and often have covered thumbs or all fingers covered for hand protection. They are sometimes made with padding for the knuckles.</span></li>
<li><span style="font-size: small;"><b>Glasses</b> with little or no difference from those used in other cycling sports, help protect against <a href="http://en.wikipedia.org/wiki/Road_debris" title="Road debris">debris</a> while on the trail. Filtered lenses, whether yellow for cloudy days or shaded for sunny days, protect the eyes from strain. Downhill and freeride mountain bikers often use goggles similar to motorcross or snowboard goggles in unison with their fullface helmets.</span></li>
<li><span style="font-size: small;"><b><a class="mw-redirect" href="http://en.wikipedia.org/wiki/Bicycle_shoe" title="Bicycle shoe">Shoes</a></b> generally have gripping soles similar to those of hiking boots for scrambling over un-ridable obstacles, unlike the smooth-bottomed shoes used in road cycling. The <a href="http://en.wikipedia.org/wiki/Shank_%28footwear%29" title="Shank (footwear)">shank</a> of mountain bike shoes is generally more flexible than road cycling shoes. Shoes compatible with clipless pedal systems are also frequently used.</span></li>
<li><span style="font-size: small;"><b>Clothing</b> is chosen for comfort during physical exertion in the backcountry, and its ability to withstand falls. Road touring clothes are often inappropriate due to their delicate fabrics and construction.</span></li>
<li><span style="font-size: small;"><b><a href="http://en.wikipedia.org/wiki/Hydration_system" title="Hydration system">Hydration systems</a></b> are important for mountain bikers in the backcountry, ranging from simple water bottles to water bags with drinking tubes in lightweight backpacks (e.g., <a href="http://en.wikipedia.org/wiki/CamelBak" title="CamelBak">Camelbaks)</a>.</span></li>
<li><span style="font-size: small;"><b><a href="http://en.wikipedia.org/wiki/GPS_navigation_device" title="GPS navigation device">GPS navigation device</a></b> is sometimes added to the handlebars and is used to display and monitor progress on trails downloaded from the internet or pre-made mapping systems, record trails on the fly, and keep track of trip times and other data. The GPS system is often a handheld GPS device with color screen and rugged, waterproof (IPX7) design.</span></li>
<li><span style="font-size: small;"><b><a href="http://en.wikipedia.org/wiki/Bicycle_pump" title="Bicycle pump">Pump</a></b> to inflate flat tires.</span></li>
<li><span style="font-size: small;"><b><a href="http://en.wikipedia.org/wiki/Bicycle_tools" title="Bicycle tools">Bike tools</a></b> and extra bike tubes are important, as mountain bikers frequently find themselves miles from help, with flat tires or other mechanical problems that must be handled by the rider.</span></li>
<li><span style="font-size: small;"><b><a href="http://en.wikipedia.org/wiki/Bicycle_lighting#LEDs" title="Bicycle lighting">High-power lights</a></b> based on LED technology, especially for mountain biking at night.</span></li>
</ul><h3 style="font-family: Verdana,sans-serif;"><span style="font-size: small;"><span class="editsection"></span><span class="mw-headline" id="Protective_gear">Protective gear</span></span></h3><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;">The style and level of protection worn by individual riders varies greatly and is affected by many factors including terrain, environment, weather, potential obstacles on the trail, experience, technical skill, fitness, perceived risk, desired style and others too numerous to mention. A cross-country helmet and simple long fingered gloves are a good minimum for the majority of riding.</span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;">Limb protection becomes important when speeds rise, surfaces become loose and sketchy, terrain technical and crashes more common and more severe. Full-face helmets and armored suits or jackets are more suited to "gravity" and "air"-orientated disciplines which use jumps and drops, where their extra bulk and weight is outweighed by the bigger and more frequent crashes with worse consequences. Still, within XC community, the typical road-racing attire is what most riders use. Whatever protection is used it should fit well, be comfortable (or it won't be worn) on the bike as well as in the shop and suited for the particular type of riding. Gloves can offer increased comfort while riding, by alleviating compression and friction, and protection in the event of strikes to the back or palm of the hand or when putting the hand out in a fall. Gloves also protect the hand, fingers, and knuckles from abrasion on rough surfaces such as concrete. Many different styles of gloves exist, with various fits, sizes, finger lengths, palm padding and armor options available. Armoring knuckles and the backs of hands with plastic panels is common in more extreme types of mountainbiking.</span></div><ul style="font-family: Verdana,sans-serif;"><li><span style="font-size: small;"><b><a class="mw-redirect" href="http://en.wikipedia.org/wiki/Bicycle_helmets" title="Bicycle helmets">Helmets</a></b> provide important head protection. The use of helmets, in one form or another, is almost universal amongst all mountain bikers. The main three types are cross-country, rounded skateboarder style (nicknamed "half shells" or "skate style") and full face. Cross-country helmets tend to be light and well ventilated, and more comfortable to wear for long periods, especially while perspiring in hot weather. In XC competitions, most bikers use the usual road racing style helmets, for their lightweight and aerodynamic qualities. Skateboard helmets are simpler and cheaper than other helmet types; provide greater coverage of the head and resist minor scrapes and knocks. Unlike road biking helmets, skateboard helmets typically have a thicker, hard plastic shell which can take multiple impact before it needs to be replaced. The trade-off for this is that they tend to be much heavier and less ventilated (sweatier), therefore not suitable for endurance-based riding.Full-face helmets (BMX-style) provide the highest level of protection, being stronger again than skateboard style and including a jaw guard to protect the face. The weight is the main issue with this type but nowadays they are often relatively well ventilated and made of high-tech materials, such as carbon fiber. As all helmets should meet minimum standards, SNELL B.95 (American Standard) BS EN 1078:1997 (European Standard), DOT or "motorized ratings" are making their way into the market. The choice of helmet often comes down to rider preference, likelihood of crashing and on what features or properties of a helmet they place emphasis. Helmets are mandatory at competitive events and almost without exception at bike parks, most organisations also stipulate when and where full-face helmets must be used.</span></li>
</ul><ul style="font-family: Verdana,sans-serif;"><li><span style="font-size: small;"><b>Body armor and pads</b>, often referred to simply as "armor", protect limbs and trunk in the event of a crash. While initially made for and marketed at downhillers, freeriders and jump/street riders, body armor has trickled into other areas of mountain biking as trails have become faster and more technical. Armor ranges from simple neoprene sleeves for knees and elbows to complex, articulated combinations of hard plastic shells and padding that cover a whole limb or the entire body. Some companies market body armor jackets and even full body suits designed to provide greater protection through greater coverage of the body and more secure pad retention. Most upper body protectors also include a spine protector that comprises plastic or metal reinforced plastic plates, over foam padding, which are joined together so that they articulate and move with the back. Some mountain bikers also use BMX-style body armor, such as chest plates, abdomen protectors, and spine plates. New technology has seen an influx of integrated neck protectors that fit securely with full face helmets. There is a general correlation between increased protection and increased weight/decreased mobility, although different styles balance these factors differently. Different levels of protection are deemed necessary/desirable by different riders in different circumstances. Backpack hydration systems such as <a class="mw-redirect" href="http://en.wikipedia.org/wiki/Camelbak" title="Camelbak">Camelbaks</a> where a water filled bladder is held close to the spine used by some riders for their perceived protective value. However, there is only anecdotal evidence of protection and with the exception of one specific product by the company Deuter, they are never sold as spine protection.</span></li>
</ul><ul style="font-family: Verdana,sans-serif;"><li><span style="font-size: small;"><b>First aid</b> kits are often carried by mountain bikers, so that they are able to clean and dress cuts and abrasions and splint broken limbs. Experienced mountain bike guides may be trained in dealing with suspected spinal injuries (e.g., immobilizing the victim and keeping the neck straight). Seriously injured people may have to be removed by <a href="http://en.wikipedia.org/wiki/Stretcher" title="Stretcher">stretcher</a>, by a motor vehicle suitable for the terrain, or by helicopter.</span></li>
</ul><h2 style="font-family: Verdana,sans-serif;"><span style="font-size: small;"><span class="editsection"></span><span class="mw-headline" id="Types">Types</span></span></h2><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;">Mountain biking is dominated by these major categories:</span></div><div class="thumb tright" style="font-family: Verdana,sans-serif;"> <div class="thumbinner" style="width: 222px;"><span style="font-size: small;"><a class="image" href="http://en.wikipedia.org/wiki/File:Mountain-biker-climbs.jpg"><img alt="" class="thumbimage" height="162" src="http://upload.wikimedia.org/wikipedia/commons/thumb/3/39/Mountain-biker-climbs.jpg/220px-Mountain-biker-climbs.jpg" width="220" /></a></span> <div class="thumbcaption"> <div class="magnify"><span style="font-size: small;"><a class="internal" href="http://en.wikipedia.org/wiki/File:Mountain-biker-climbs.jpg" title="Enlarge"><img alt="" height="11" src="http://bits.wikimedia.org/skins-1.17/common/images/magnify-clip.png" width="15" /></a></span></div><span style="font-size: small;"> A cross-country mountain biker climbs on an unpaved track</span></div></div></div><div class="thumb tright" style="font-family: Verdana,sans-serif;"> <div class="thumbinner" style="width: 222px;"><span style="font-size: small;"><a class="image" href="http://en.wikipedia.org/wiki/File:All_Mountain_Mountain_Bike.jpg"><img alt="" class="thumbimage" height="198" src="http://upload.wikimedia.org/wikipedia/commons/thumb/5/5b/All_Mountain_Mountain_Bike.jpg/220px-All_Mountain_Mountain_Bike.jpg" width="220" /></a></span> <div class="thumbcaption"> <div class="magnify"><span style="font-size: small;"><a class="internal" href="http://en.wikipedia.org/wiki/File:All_Mountain_Mountain_Bike.jpg" title="Enlarge"><img alt="" height="11" src="http://bits.wikimedia.org/skins-1.17/common/images/magnify-clip.png" width="15" /></a></span></div><span style="font-size: small;"> Typical more stout all-mountain bike on rough terrain</span></div></div></div><div class="thumb tright" style="font-family: Verdana,sans-serif;"> <div class="thumbinner" style="width: 222px;"><span style="font-size: small;"><a class="image" href="http://en.wikipedia.org/wiki/File:MTB_downhill.jpg"><img alt="" class="thumbimage" height="328" src="http://upload.wikimedia.org/wikipedia/commons/thumb/d/d7/MTB_downhill.jpg/220px-MTB_downhill.jpg" width="220" /></a></span> <div class="thumbcaption"> <div class="magnify"><span style="font-size: small;"><a class="internal" href="http://en.wikipedia.org/wiki/File:MTB_downhill.jpg" title="Enlarge"><img alt="" height="11" src="http://bits.wikimedia.org/skins-1.17/common/images/magnify-clip.png" width="15" /></a></span></div><span style="font-size: small;"> Downhill cycling.</span></div></div></div><ul style="font-family: Verdana,sans-serif;"><li><span style="font-size: small;"><b><a href="http://en.wikipedia.org/wiki/Cross-country_cycling" title="Cross-country cycling">Cross-Country</a></b> (XC) is the most popular form of mountain biking, and the standard for most riders. It generally means riding point-to-point or in a loop including climbs and descents on a variety of terrain. A typical XC bike weighs around 9-13 kilos (20-30 lbs), and has 0-125 millimeters (0-5 inches) of suspension travel front and sometimes rear.</span></li>
</ul><ul style="font-family: Verdana,sans-serif;"><li><span style="font-size: small;"><b>All-mountain</b> (AM) bike category typically provides 125-180 millimeters (5-7 inches) of rear and front suspension travel and stronger components than XC models, while still providing overall weight suitable for climbing and descending on a variety of terrain.</span></li>
</ul><ul style="font-family: Verdana,sans-serif;"><li><span style="font-size: small;"><b><a class="mw-redirect" href="http://en.wikipedia.org/wiki/Downhill_cycling" title="Downhill cycling">Downhill</a></b> (DH) is, in the most general sense, riding mountain bikes downhill. The rider usually travels to the point of descent by other means than cycling, such as a ski lift or automobile, as the weight of the downhill mountain bike often precludes any serious climbing. While cross country riding inevitably has a downhill component, Downhill (or DH for short) usually refers to racing-oriented downhill riding. Downhill-specific bikes are universally equipped with front and rear suspension, large disc brakes, and use heavier frame tubing than other mountain bikes. Because of their extremely steep terrain (often located in summer at ski resorts), downhill courses are one of the most extreme and dangerous venues for mountain biking. They include large jumps (up to and including 12 meters (40 feet)), drops of 3+ meters (10+ feet), and are generally rough and steep top to bottom. To negotiate these obstacles at race speed, racers must possess a unique combination of total body strength, aerobic and anaerobic fitness, and mental control. Minimum body protection in a true downhill setting is knee pads and a full face helmet with goggles, although riders and racers commonly sport full body suits to protect themselves. Downhill bikes now weigh around 16-20 kilos (35-45 lbs), while professional downhill mountain bikes can weigh as little as 15 kilos (33 lbs), fully equipped with custom carbon fibre parts, air suspension, tubeless tires and more. Downhill frames get anywhere from 170-250 millimeters (7 to 10 inches) of travel and are usually mounted with a 200 millimeter (8 inch) travel dual-crown fork.</span></li>
</ul><ul style="font-family: Verdana,sans-serif;"><li><span style="font-size: small;"><b><a href="http://en.wikipedia.org/wiki/Four-cross" title="Four-cross">Four-cross</a>/Dual Slalom</b> (4X) is a sport in which riders compete either on separate tracks, as in Dual Slalom, or on a short slalom track, as in 4X. Most bikes used are light hard-tails, although the last World Cup was actually won on a full suspension bike. The tracks have dirt jumps, berms, and gaps. Professionals in gravity mountain biking tend to concentrate either on downhill mountain biking or 4X/dual slalom because they are very different. However, some riders, such as <a class="mw-redirect" href="http://en.wikipedia.org/wiki/Cedric_Gracia" title="Cedric Gracia">Cedric Gracia</a>, still do 4X and DH, although that is becoming more rare as 4X takes on its own identity.</span></li>
</ul><ul style="font-family: Verdana,sans-serif;"><li><span style="font-size: small;"><b><a href="http://en.wikipedia.org/wiki/Freeride" title="Freeride">Freeride</a> / Big Hit / Hucking</b>. Freeride, as the name suggests is a 'do anything' discipline that encompasses everything from downhill racing without the clock to jumping, riding 'North Shore' style (elevated trails made of interconnecting bridges and logs), and generally riding trails and/or stunts that require more skill and aggressive techniques than XC. Freeride bikes are generally heavier and more amply suspended than their XC counterparts, but usually retain much of their climbing ability. It is up to the rider to build his or her bike to lean more toward a preferred level of aggressiveness. "Slopestyle" type riding is an increasingly popular genre that combines big-air, stunt-ridden freeride with BMX style tricks. Slopestyle courses are usually constructed at already established mountain bike parks and include jumps, large drops, quarter-pipes, and other wooden obstacles. There are always multiple lines through a course and riders compete for judges' points by choosing lines that highlight their particular skills. A "typical" freeride bike is hard to define, but 13-18 kilos (30-40) lbs with 150-250 millimeters (6-10 inches) of suspension front and rear.</span></li>
</ul><ul style="font-family: Verdana,sans-serif;"><li><span style="font-size: small;"><b><a class="mw-redirect" href="http://en.wikipedia.org/wiki/Dirt_Jumping" title="Dirt Jumping">Dirt Jumping</a></b> (DJ) is one of the names given to the practice of riding bikes over shaped mounds of dirt or soil and becoming airborne. The idea is that after riding over the 'take off' the rider will become airborne, and aim to land on the 'landing'. Dirt jumping can be done on almost anything but the bikes are generally smaller and more maneuverable hardtails so that tricks e.g. backflips, are easier to complete. The bikes are simpler so that when a crash occurs there are fewer components to break or cause the rider injury.</span></li>
</ul><ul style="font-family: Verdana,sans-serif;"><li><span style="font-size: small;"><b><a class="mw-redirect" href="http://en.wikipedia.org/wiki/Bike_trials_riding" title="Bike trials riding">Trials</a></b> riding consists of hopping and jumping bikes over obstacles, without touching a foot onto the ground. It can be performed either off-road or in an urban environment. It requires an excellent sense of balance. The emphasis is placed on techniques of effectively overcoming the obstacles, although street-trials (as opposed to competition-oriented trials) is much like Street and DJ, where doing tricks with style is the essence. Trials bikes look almost nothing like mountain bikes. They use either 20", 24" or 26" wheels and have very small, low frames, some types without a saddle.</span></li>
</ul><ul style="font-family: Verdana,sans-serif;"><li><span style="font-size: small;"><b>Urban/Street</b> is essentially the same as urban BMX (or <a href="http://en.wikipedia.org/wiki/Freestyle_BMX" title="Freestyle BMX">Freestyle BMX</a>), in which riders perform tricks by riding on/over man made objects. The bikes are the same as those used for Dirt Jumping, having 24" or 26" wheels. Also, they are very light, many in the range of 25-30 lbs, and are typically hardtails with between 0-100 millimeters of front suspension. As with Dirt Jumping and Trials, style and execution are emphasized.</span></li>
</ul><ul style="font-family: Verdana,sans-serif;"><li><span style="font-size: small;"><b>Mountain Bike Touring</b> is long distance touring on dirt roads and single track with a mountain bike. With the popularity of the <a href="http://en.wikipedia.org/wiki/Great_Divide_Trail" title="Great Divide Trail">Great Divide Trail</a>, the <a href="http://en.wikipedia.org/wiki/Colorado_Trail" title="Colorado Trail">Colorado Trail</a> and other long distance off road biking trails specially fitted mountain bikes are increasingly being used for touring. Bike manufacturers like Salsa have even developed MTB touring bikes like the Fargo model. <a href="http://en.wikipedia.org/wiki/Mixed_Terrain_Cycle-Touring" title="Mixed Terrain Cycle-Touring">Mixed Terrain Cycle-Touring</a> or rough riding is a form of mountain bike touring but involves cycling over a variety of surfaces and topography on a single route, with a single bicycle. The recent popularity of mixed terrain touring is in part a reaction against the increasing specialization of the bike industry. Focusing on freedom of travel and efficiency over varied surfaces, mixed terrain bicycle travel has a storied past.</span></li>
</ul><h2 style="font-family: Verdana,sans-serif;"><span style="font-size: small;"><span class="editsection"></span><span class="mw-headline" id="Risks">Risks</span></span></h2><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;">The risk of injury is inherent in the sport of mountain biking, especially in the more extreme disciplines such as downhill biking. Injuries range from relatively minor wounds, such as cuts and abrasions from falls on gravel to serious injuries such as striking the head or spine on a boulder or tree.</span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;">Protective equipment can protect against minor injuries, and reduce the extent or seriousness of major impacts, but it cannot protect a rider against the most serious impacts or accidents. To truly reduce the risk of injury, a rider needs to take steps to make injuries less likely, such as picking trails that they can handle given their experience level, ensuring that they are fit enough to deal with the trail they have chosen, and keeping their bike in top mechanical shape. If a mountain biker wishes to explore more dangerous trails or disciplines (types of mountain biking) such as downhill riding, they will need to learn new skills, such as jumping and avoiding obstacles.</span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;">Fitness is another issue; if a rider is not in good enough shape to ride a certain class of trail, they will become fatigued, which puts them at a higher risk of having an accident.</span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;">Lastly, maintenance of one's bike needs to be done more frequently for mountain biking than for casual commuter biking in the city. Mountain biking places much higher demands on every part of the bike. Jumps and impacts can crack the frame or damage the derailleurs or the tire rims, and steep, fast descents can quickly wear out brake pads. Thus, whereas a casual in-the-city rider may only check over and maintain their bike every few months, a mountain biker should check and properly maintain the bike before every ride.</span></div>susu.panashttp://www.blogger.com/profile/15286263049026552037noreply@blogger.com0tag:blogger.com,1999:blog-2765607876516266701.post-1943062949317254312011-05-30T07:12:00.000-07:002011-05-30T07:12:52.114-07:00...............<div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg0VFWqam6b5XLGLDp9VPNirzTF-AgI4CicbEU5r9LcQj3hZak61qBTDjholgky0vw12drctE8AJrNHL8cdAvgoE_FNNGYuvZPLXjznXDElh0WFGVPvuj4RbQbfqF5Tj1jBpcMilizTW8c/s1600/Copy+of+ewb-4c951f1e054b9-epiphany_large.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="182" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg0VFWqam6b5XLGLDp9VPNirzTF-AgI4CicbEU5r9LcQj3hZak61qBTDjholgky0vw12drctE8AJrNHL8cdAvgoE_FNNGYuvZPLXjznXDElh0WFGVPvuj4RbQbfqF5Tj1jBpcMilizTW8c/s320/Copy+of+ewb-4c951f1e054b9-epiphany_large.png" width="320" /></a></div>Wira Baruna Cyclinghttp://www.blogger.com/profile/02922729335378325254noreply@blogger.com0tag:blogger.com,1999:blog-2765607876516266701.post-24600827291582490802011-05-30T06:55:00.000-07:002011-06-11T07:41:30.264-07:00<div style="background-color: yellow; font-family: Verdana,sans-serif;"><span style="font-size: large;"><u><b>MANFAAT MENGGUNAKAN BAR END PADA MTB / HYBRID BIKE</b></u></span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;"><span style="background-color: yellow;"></span></span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;"><br />
</span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;">Bar Ends, merupakan salah aksesoris pelengkap yang digunakan di sepeda MTB atau Hybrid yang menggunakan Flatbar. Artikel ZS terdahulu mengenai Tips bersepeda ditanjakan, bar ends pernah sedikit dibahas.</span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;">Tidak ada salahnya kita memahami lebih mendalam, kelebihan dan kekurangan penggunaan Bar ends pada sepeda terutama MTB Hard Trail dan Hybrid Bike.</span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;"><br />
</span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;"><u><b><span style="background-color: yellow;">Bar Ends MTB Hardtrail </span></b></u></span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;">Bar ends merupakan salah satu komponen pelengkap dalam bersepeda, merupakan ektensi yang terpasang diujung setang kemudi sepeda. Pada umumnya Bar ends dipasang di MTB Hardtrail dan Hybrid. Para rider menggunakan Bar ends bertujuan memberikan variasi jenis peganggan ketika berkendara dan dapat mengatuh posisi tubuh ketika riding.</span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;">Bar ends dapat juga meningkatkan kenyamanan bagi pengendara karena posisi tangan yang netral (telapak tangan ke dalam). Posisi tangan yang nyaman memberikan efek lebih pada ketegangan otot tangan ketika riding.</span></div><div style="font-family: Verdana,sans-serif;"><b><span style="font-size: small;"><br />
</span></b></div><div style="background-color: yellow; font-family: Verdana,sans-serif;"><b><span style="font-size: small;">Grip Bar ends</span></b></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;">Beberapa Bar ends sudah include dengan stang kemudi alias dilas menjadi satu dengan handlebar atau menjadi satu dengan handlegrip. Bar ends mulai populer di awal 1990-an, mulai ditinggalkan ketika akhir tahun 1990-an. Dalam beberapa kasus, Bar ends menyulitkan rider ketika melintas medan yang berkelok, penggunaan bar ends yang terlampau panjang juga dapat mengganggu kenyamanan ketika melintas dimedan cross country yang banyak pepohonan.</span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;"><br />
</span></div><div style="background-color: yellow; font-family: Verdana,sans-serif;"><b><span style="font-size: small;">Ergo Bar Ends</span></b></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;">Penggunaan Bar ends juga memberikan efek negatif ketika melakukan pengereman mendadak, karena rider harus memidah posisi tangan sehingga sepeda tidak berhenti seketika.</span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;">Berikut Kelebihan dan kekurangan penggunaan Bar ends.</span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;">Kelebihan :</span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;">- Memberikan kenyamanan riding ditanjakan</span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;">- Memungkinan tubuh untuk bernafas lebih nyaman, karena bagian atas tubuh terbuka.</span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;">- Beberapa model Bar ends dapat melindungi tangan anda ketika jatuh (posisi tangan normal).</span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;">- Membantu mencegah kelelahan (fatigue) dengan menawarkan lebih banyak variasi posisi tangan.</span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;">- Sedikit banyak membantu menambah kecepatan, karena posisi rider menjadi lebih menunduk.</span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;">Kekurangan :</span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;">- Menambah berat sepeda, karena adanya komponen tambahan.</span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;">- Jika menggunakan Flatbar berbahan Carbon, resiko setang kemudi patah sangat besar.</span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;">- Bar ends yang banyak beredar memakan kurang lebih 1Inch handlebar, jika anda rider yang memiliki bahu yang lebar tentunya penggunaan bar ends sedikit mengganggu kenyamanan.</span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;">- Peningkatan resiko cidera ketika crash, posisi tangan pada bar ends.</span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;">Tips pemasangan Bar ends :</span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;">Tidak ada aturan baku mengenai sudut kemiringan bar ends, kita dapat memulainya dari sudut 45 derajat. Jika dirasa posisi tangan terlalu maju kedepan atau terlampau kebelakang aturlah sesuai kenyamanan ketika ridding.</span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;"><br />
</span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;">Specialized Carbon Bar ends</span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;">Bar ends yang panjang dan terpasang terlampau kebelakang membuat sepeda terlihat kurang menarik dan menambah resiko ketika jatuh .</span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;">Gunakanlah Bar ends yang egronomis sesuai dengan lekukan gengaman tangan, bar ends yang egronomis memberikan kenyamanan lebih ketika touring jarak jauh.</span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;"><br />
</span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;">Carbon Bar ends</span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;">Jika kocek berlebih tidak ada salahnya menggunakan Bar ends berbahan carbon (mengurangi bobot sepeda) atau grip handlebar yang include dengan bar ends.</span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;"><br />
</span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;"> </span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;">Jika ada menggunakan riser bars, ada baiknya <span style="background-color: red;">jangan</span> menambah bar ends. Selain fungsinya menjadi terkecualikan, banyak rider yang akan melihat tampilan sepeda anda terlihat aneh. </span></div><div style="font-family: Verdana,sans-serif;"><br />
</div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;">H/a/p/p/y C/y/c/l/i/n/g</span></div><div style="font-family: Verdana,sans-serif;"><span style="font-size: small;"><br />
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</span></div>Wira Baruna Cyclinghttp://www.blogger.com/profile/02922729335378325254noreply@blogger.com0tag:blogger.com,1999:blog-2765607876516266701.post-40573732603412440392011-05-26T06:43:00.000-07:002011-06-28T15:39:37.687-07:00Manfaat Bersepeda ...<div style="font-family: Verdana,sans-serif;"><span style="font-size: small;">SAKIT PUNGGUNG, sakit punggung biasanya sering diakibatkan hasil secara langsung oleh kurangnya berolah raga. Dengan kurangnya berolah raga maka menyebabkan discs (piringan-piringan) pada tulang punggung tidak mendapatkan pasokan <i>nourishment</i> (nutrisi) secara optimum sehingga kemampuan dari piringan-piringan tadi menjadi berubah dan suatu saat dibebani dengan pekerjaan yang agak berat maka piringan-piringan tadi tidak sanggup dan menyebabkan nyeri. Dengan bersepeda akan dapat mengatasi masalah ini yaitu pertama, latihan fisik secara terus menerus yang akan membantu mengembalikan kemampuan discs berikut suplai “makanan” menjadi optimal kembali. Kedua, Otot besar pada punggung menjadi lebih kuat sehingga dapat membantu kerja tulang belakang. <u><span style="background-color: yellow;">Jadi bersepeda juga dapat menstabilkan kinerja tulang punggung.</span></u></span> </div><div style="font-family: Verdana,sans-serif; text-align: justify;"><span style="font-size: small;">PERSAMBUNGAN LUTUT, penyebab umum terjadinya nyeri lutut biasanya karena kerusakan pada tulang</span></div><div style="font-family: Verdana,sans-serif; text-align: justify;"><span style="font-size: small;"><img alt="" height="150" src="http://www.cyclingandhealth.com/_images/Cycling_and_Health_study_05.jpg" width="150" /></span></div><div style="font-family: Verdana,sans-serif; text-align: justify;"><span style="font-size: small;">rawan/muda. Tekanan berlebihan yang terletak pada sambungan lutut, sebagai contoh:</span></div><div style="font-family: Verdana,sans-serif; text-align: justify;"><span style="font-size: small;"><img alt="" height="150" src="http://www.cyclingandhealth.com/_images/Cycling_and_Health_study_06.jpg" width="150" /></span></div><div style="font-family: Verdana,sans-serif; text-align: justify;"><span style="font-size: small;">dikarenakan jogging, atau <u><b><span style="background-color: yellow;">terlalu gemuk</span>,</b></u> menghambat atau menolak pasokan nutrisi ke tulang rawan. Konsekuensinya tulang rawan menjadi lemah dan mulai rusak. Awal dari kerusakan/nyeri lutut saat dimana mineral-mineral berharga tidak bisa masuk ke tulang rawan. Semenjak tulang rawan tidak dialiri darah maka mineral-mineral berharga tidak bisa masuk ke tulang rawan. Pergerakan pada persambungan lutut dapat mendorong nutrisi kepada tulang rawan. Bersepeda adalah salah satu cara <a class="st_tag internal_tag" href="http://www.gowes.org/tag/olah-raga" rel="tag" title="Posts tagged with olah raga">olah raga</a> yang paling sedikit terjadi tekanan pada lutut dan cara yang paling baik untuk menguatkan tulang rawan.</span></div><div style="font-family: Verdana,sans-serif; text-align: justify;"><span style="font-size: small;"><a href="http://www.cyclingandhealth.com/_images/Cycling_and_Health_study_07.jpg"><img alt="" height="150" src="http://www.cyclingandhealth.com/_images/Cycling_and_Health_study_07.jpg" width="150" /></a></span></div><div style="font-family: Verdana,sans-serif; text-align: justify;"><span style="font-size: small;">JANTUNG DAN SISTEM CARDIOVASCULAR, Jantung adalah satu-satunya “motor” kita dan karena alasan itulah kita harus benar-benar merawatnya. Gejala stres dan mengerasnya arteri-arteri (<a class="st_tag internal_tag" href="http://www.gowes.org/tag/arteriosclerosis" rel="tag" title="Posts tagged with arteriosclerosis">arteriosclerosis</a>) sebagai contoh, menyebabkan efek yang merusak pada jantung dan menghasilkan tekanan darah tinggi. Hal ini berakibat sesorang akan mengalami serangan jantung. Bersepeda akan memperbaiki sirkulasi darah secara keseluruhan. Yang terpenting adalah jantung akan bekerja lebih ekonomis karena performa pemompaan menjadi lebih efisien sehingga mengurangi tekanan darah secara keseluruhan dan mungarangi resiko penyakit jantung.</span></div><div style="font-family: Verdana,sans-serif; text-align: justify;"><span style="font-size: small;"><img alt="" height="150" src="http://www.cyclingandhealth.com/_images/Cycling_and_Health_study_08.jpg" width="150" /></span></div><div style="font-family: Verdana,sans-serif; text-align: justify;"><span style="font-size: small;"><a href="http://www.cyclingandhealth.com/_images/Cycling_and_Health_study_01.jpg"><img alt="" height="150" src="http://www.cyclingandhealth.com/_images/Cycling_and_Health_study_01.jpg" width="150" /></a></span></div><div style="font-family: Verdana,sans-serif; text-align: justify;"><span style="font-size: small;">SISTEM KEKEBALAN, Infeksi adalah penyebab utama anda absen dari tempat kerja anda <img alt=";)" src="http://s1.wp.com/wp-includes/images/smilies/icon_wink.gif?m=1244996873g" /> . Satu dari beberapa alasan adalah kurang efektifnya kinerja sistem kekebalan tubuh yang menyebabkan reaksi alergi dan ketidakmampuan melawan flu dan demam. Bersepeda dapat meningkatkan kualitas sistem kekebalan dengan mengijinkan tubuh untuk melindungi dirinya dari virus dan bakteri. Bersepeda adalah metode olahraga yang paling banyak memiliki manfaat untuk menguatkan sistem kekebalan tubuh.</span></div><div style="font-family: Verdana,sans-serif; text-align: justify;"><span style="font-size: small;">Sudah murah, bisa menghilangkan stress juga secara fisik membuat lebih sehat dan kuat.</span></div><div style="font-family: Verdana,sans-serif; text-align: justify;"><span style="font-size: small;">Bagaimana? Masih ragu-ragu dengan bersepeda?</span></div><div class="shr-publisher-87 shareaholic-show-on-load" style="font-family: Verdana,sans-serif; height: 80px; margin-left: 45px; overflow: hidden;"><div class="shr-bookmarks shr-bookmarks-bg-shr" style="-moz-background-clip: -moz-initial; -moz-background-inline-policy: -moz-initial; -moz-background-origin: -moz-initial; background: transparent url(http://www.gowes.org/wp-content/plugins/sexybookmarks/images/sharing-shr.png) no-repeat scroll 0% 0%; display: block; height: 100%; margin-left: 10px; overflow: hidden; padding: 28px 0pt 0pt 10px;"><br />
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TIDAK NYAMAN KETIKA BERSEPEDA JARAK JAUH, INILAH PENYEBABNYA </i></i><br />
<i><i>Bersepeda dalam jarak yang relatif jauh (touring) tentunya sangat menyenangkan, apalagi dilakukan dalam kelompok yang besar, menyusuri lintasan yang baru tentu sangat menantang bagi para goweser.<br />
Sering kali kita merasa tidak nyaman berada diatas sadle setelah menempuh jarak yang lumayan jauh, terlepas dari kondisi fisik goweser. Sebenarnya ada beberapa hal teknis yang patut diperhatikan sebelum kita merasa siap berlama-lama diatas sadle.</i></i><br />
<i><i><br />
Apakah hal teknis yang menjadi perhatian agar kita merasa nyaman diatas sadle sepeda, yang paling pokok adalah “sepeda” itu sendiri. Frame sepeda, seperti yang pernah diulas diartikel-artikel sebelumnya, frame adalah heart of bike (jantungnya sepeda). Kesalahan dalam pemilihan ukuran frame berakibat fatal.<br />
Goweser dapat melakukan sendiri pengukuran frame yang tepat, lebih sempurna lagi jika anda dibantu seorang teman, hanya bermodal alat ukur sederhana anda dapat menempukan ukuran frame yang pas dan tepat, kalkulator frame baik untuk roadbike maupun MTB dapat anda temukan di url berikut : http://www.competitivecyclist.com/za/CCY?PAGE=FIT_CALCULATOR_INTRO.<br />
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Mintalah bantuan teman untuk memperoleh posisi yang nyaman diatas sadle<br />
Setelah dirasa frame sepeda anda sudah tepat dan pas, tapi masih sering merasakan sakit dibeberapa bagian tubuh, terutama ketika touring, mungkin setelan beberapa part seperti panjang stem, tinggi seatpost, dan yang lainnya adalah penyebabnya.<br />
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Meteran - alat sederhana yang sangat membantu bike fitting<br />
Kali ini zonasepeda memberikan tips trik dan solusi untuk menelurusi penyebab tidak nyamannya goweser ketika berada diatas sepeda.</i></i><br />
<i><i><br />
<span style="background-color: yellow;">1. Gejala : Anda selalu bergeser ke depan ketika berada diatas sadle.</span><br />
Kemungkinan Penyebab :<br />
- Stem mungkin terlalu panjang, sehingga anda harus menarik diri kedepan untuk menjangkau handlebar.<br />
- Posisi hidung sadle terlalu naik (berlebihan).<br />
- Posisi Sadle terlalu kebelakang diatas rel sadle seatpost.<br />
Solusi :<br />
- Memasang stem dengan ukuran yang lebih pendek<br />
- Atur posisi naik turun sadle sehingga terposisi vertikal sempurna, anda dapet menggunakan waterpass atau alat ukur sejenis untuk melakukannya.<br />
- Atur posisi maju-mundur sadle sehingga diperoleh posisi yang nyaman.<br />
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waterpas - membantu mendapatkan posisi sempurna naik-turun sadle</i></i><br />
<i><i><br />
2.<span style="background-color: yellow;"> Gejala : Anda selelu bergeser ke belakang ketika berada diatas saddle, ini merupakan kebalikan dari gejala no.1</span><br />
Kemungkinan Penyebab :<br />
- Stem terlalu pendek, sehingga posisi badan terasa terlalu dekat dengan handlebar.<br />
- Posisi hidung sadle yang terlalu turun (menukik).<br />
Solusi :<br />
- Cobalah untuk menggunakan stem dengan ukuran yang lebih panjang.<br />
- Atur posisi naik turun sadle sehingga terposisi vertikal sempurna, anda dapet menggunakan waterpass atau alat ukur sejenis untuk melakukannya.<br />
- Atur posisi maju-mundur sadle sehingga diperoleh posisi yang nyaman.</i></i><br />
<i><i><br />
<span style="background-color: yellow;">3. Gejala : Anda merasa sakit pada bagian punggung bagian bawah.</span><br />
Kemungkinan Penyebab :<br />
- Posisi Stem yang terlalu pendek atau Ukuran stem yang terlau panjang. Anda sering melakukan perenggangan badan, karena posisi anda yang terlalu menunduk.<br />
- Posisi Seatpost yang terlalu tinggi hal ini menyebabkan posisi badan terlalu menunduk dan pinggul bergoyang secara berlebihan.<br />
Solusi :<br />
- Tambahlah spacer, sehingga stem dapat naik. Jika dirasa masih kurang naik, gunakanlah stem dengan bentuk yang agak serong naik (banyak dijual di pasaran).<br />
- Cobalah ukuran stem yang lebih pendek.<br />
- Aturlah tinggi-rendah seatpost hingga diperoleh posisi yang tepat.</i></i><br />
<i><i><br />
<span style="background-color: yellow;">4. Gejala : Bagian Leher anda sering sakit</span><br />
Kemungkinan Penyebab :<br />
- Posisi Stem yang terlalu rendah, hingga anda harus terlalu mendongak untuk melihat jalan.<br />
Solusi :<br />
- Tambahlah spacer, sehingga stem dapat naik. Jika dirasa masih kurang naik, gunakanlah stem dengan bentuk yang agak serong naik (banyak dijual di pasaran).</i></i><br />
<i><i><br />
<span style="background-color: yellow;">5. Gejala : Lengan tangan terasa sakit.</span><br />
Kemungkinan Penyebab :<br />
- Posisi Stem yang terlalu rendah, sehingga terlalu banyak beban tubuh yang ditahan oleh lengan.<br />
- Hidung Sadle terlalu menukik ke bawah.<br />
Solusi :<br />
- Tambahlah spacer, sehingga stem dapat naik. Jika dirasa masih kurang naik, gunakanlah stem dengan bentuk yang agak serong naik (banyak dijual di pasaran).<br />
- Atur posisi naik turun sadle sehingga terposisi vertikal sempurna, anda dapet menggunakan waterpass atau alat ukur sejenis untuk melakukannya.<br />
<br />
Gunakan Pendulum atau sejenisnya untuk menentukan maju-mundur sadle</i></i><br />
<i><i><br />
<span style="background-color: yellow;">6. Gejala : Lutut bagian depan terasa sakit.</span><br />
Kemungkinan Penyebab :<br />
- Posisi seat post yang terlalu rendah atau posisi sadle yang terlalu maju kedepan. Hal ini menyebkan lutut bagian depan anda bekerja berlebihan.<br />
Solusi :<br />
- Aturlah tinggi-rendah seatpost hingga diperoleh posisi yang tepat.<br />
- Atur posisi maju-mundur sadle sehingga diperoleh posisi yang nyaman.</i></i><br />
<i><i><br />
<span style="background-color: yellow;">7. Gejala : Lutut bagian belakang terasa sakit.</span><br />
Kemungkinan Penyebab :<br />
- Posisi seat post yang terlalu tinggi, hal ini menyebabkan kaki anda bersusah payang meriah pedal.<br />
Solusi :<br />
- Aturlah tinggi-rendah seatpost hingga diperoleh posisi yang tepat.</i></i><br />
<i><i><br />
<span style="background-color: yellow;">8. Gejala : Pantat tersasa panas dan sakit.</span><br />
Kemungkinan Penyebab :<br />
- Terlalu banyak beban tubuh pada sadle, tidak menggunakan celana khusus bersepeda.<br />
Solusi :<br />
- Posisikan handlebar agak rendah, sehingga beban pada sadle tidak berlebihan.<br />
- Cek kembali tinggi seatpost, mungkin terlalu rendah hingga sadle tidak maksimal menyangga berat badan.<br />
- Gunakan celana khusus bersepeda.</i></i><br />
<i><i><br />
<span style="background-color: yellow;">9. Tendon Achilles terasa sakit (jari kaki).</span><br />
Kemungkinan Penyebab :<br />
- Mengayuh pedal terlalu berlebihan pada bagian jari-jari kaki, posisi cleat pada sepatu bersepeda anda terlalu jauh kedepan.<br />
Solusi :<br />
- Posisikan pedal tepat diantara tapak kaki dan jari kaki, jaga bola kaki anda saat mengayuh.<br />
Demikianlah 9 uraian singkat mengenai beberapa keluhan dan kendala yang ditemukan ketika goweser melakukan touring. </i></i><br />
<i><i><span style="background-color: orange;">Tips : usahakan selalu melakukan pemanasan ringan sebelum bersepeda. Happy cycling dan Keep Goweeessssss….</span><br />
<br />
</i><b></b></i>Wira Baruna Cyclinghttp://www.blogger.com/profile/02922729335378325254noreply@blogger.com0tag:blogger.com,1999:blog-2765607876516266701.post-81903284745454304332011-05-21T08:36:00.000-07:002011-05-21T08:36:02.045-07:00Backpain ........Backpain sakit bagian pinggang dan punggung merupakan bagian belakang badan kita. Bagian tersebut sering mengalami cidera atau sakit ketika kita bersepeda dalam jarak yang cukup jauh. Cidera yang kita alami mengakibatkan sakit yang bekepanjangan jika tidak segera dilakukan recovery (pemulihan). Banyak faktor yang perlu diperhatikan jika kita sering mengalami sakit pada bagian tersebut.<br />
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Berikut Tips untuk mengurangi dan mencegah Backpain yang berlebihan ketika bersepeda (Physiotherapist Tim Pigott, Triathlon Plus):<br />
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Panjang Kaki – Image healthcare.uiowa.edu<br />
Panjang Kaki<br />
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Periksa panjang kaki Anda: jika Anda memiliki panjang kaki yang berbeda (baik karena perbedaan aktual dalam panjang tulang kaki atau pronasi kaki dan panggul). Panjang kaki yang berbeda, mengakibatkan bagian kaki yang pendek akan menarik pinggul lebih kebawah ketika melakukan pedaling. Minta bantuan rekan anda untuk memeriksa tingkat tinggal pinggul anda ketika kaki pada puncak pedaling.<br />
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Panjang Stem – Image parktool.com<br />
Panjang Stem<br />
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Bike Fitting yang tepat tentunya memberikan kenyamanan lebih ketika anda bersepeda dalam jarak jauh. Kesalahan paling sering ditemukan adalah penggunaan Steam (batang penghubung handlebar dengan fork depan) yang terlalu pendek. Stem yang terlalu pendek memaksa rider menjadi posisi membungkuk yang berlebihan (over).<br />
<br />
Posisi rider yang terlalu membungkuk menyebabkan tulang ligamen dan otot akan berkerja berlebihan dibagian tulang belakang, pada kasus yang ekstrim membuat tekanan yang berlebih pada syaraf pinggang.<br />
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Jika Stem yang pendek mengakibatkan sakit pada pinggang, kebalikannya jika stem terlalu panjang mengakibatkan punggung menjadi sakit. Jika anda mengalami sakit pada bagian sekitar leher, bahu kemungkinan karena posisi badan yang terlalu merebah. Hal lain yang perlu diperiksa adalah ketinggian stem, posisi stem yang terlalu rendah mengakibatkan stres pada bagian bawah punggung.<br />
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Sadle seat – Foto Columbia-HTC<br />
Posisi Sadle Seat (tempat duduk)<br />
<br />
Sebuah studi mempelajari bagaimana posisi sudut sadle mempengaruhi kinerja punggung bagian bawah. Perubahan sudut sadle yang tidak tepat mengakibatkan cidera punggung bagian bawah. Dengan hanya menyesuaikan sudut sadle dan meletakkan kembali kembali dalam sudut netral, 70 persen dari para pengendara sepeda dibebaskan dari sakit punggung. Jadi periksa sudut kursi (sadle) sepeda anda- aturan baku yang paling mudah adalah posisi sadle harus sejarar dengan rata-rata tanah.<br />
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Variasi Posisi ketika bersepeda<br />
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Variasi posisi ketika bersepeda sangat menolong mengurangi cidera bagian belakang punggung dan pinggang. Ketika berlatih atau sekedar recovery biasakan memvariasikan posisi anda ketika ridding. Berdiri diatas sadle untuk beberapa saat sangat membantu mengurangi tekanan pada punggung, ketika medan menanjak tetap variasikan posisi anda diatas sepeda. Geser posisi duduk anda mulai dari depan, tengah dan belakang sadle untuk mengurangi stres pada bagian punggung bawah.<br />
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Latihan otot pinggang dan punggung<br />
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Banyak orang ketika pemanasan lebih melatih otot perut dan otot punggung bawah (rektus abdominus, internal, eksternal obliques, dan transversus abdominus) dengan tujuan untuk menghindari cidera backpain. Beberapa penelitian menunjukan backpain tidak hanya disebabkan oleh tiga otot utama tersebut, untuk punggung bagian bawah, panggul dan pinggul terdapat 29 wilayah otot yang berbeda, masing-masing memerlukan latihan yang sesuai dan memadai.<br />
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Backpain<br />
Nyeri punggung bawah atau ketidaknyamanan ketika bersepeda dapat disebabkan karena sejumlah besar otot-otot di daerah ini, dan mungkin telah diabaikan dalam program latihan rutin.<br />
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Jika terlalu banyak penekanan pada daerah-daerah tertentu seperti perut (six-pack) maka terjadi ketidakseimbangan otot, menimbulkan rasa nyeri dan cedera. Karena itu perlu untuk menekankan pentingnya sebuah program latihan (training) yang komprehensif yang mencakup seluruh bagian panggul dan pinggul.<br />
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Treatment (perawatan)<br />
<br />
Untuk mengurangi rasa sakit pada bagian belakang punggung dan pinggang anda dapat melakukan treatment (perawatan). Perawatan dapat anda lakukan jika sakit pada bagian belakang tersebut tidak berangsur hilang. Gunakan Obat penghilang rasa sakit yang biasa anda gunakan atau sesuai dengan anjuran dokter. Kompres bagian yang sakit dengan ES atau air panas (tergantung selera) selama kurang lebih 48jam.<br />
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Backpain Treatment – Foto Bikeradar<br />
Treatment dengan terapi pijat juga dapat membantu mengurangi rasa sakit, pijatan-pijatan lembut pada bagian yang sakit dapat mengurangi stres pada otot. Kurangi Aktifitas yang ekstrim yang dapat memperburuk cidera.<br />
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Jika rasa sakit tidak segera hilang, periksalah kedokter atau ahli Physiotherapist. Dengan mendatangi Dokter atau Terapis anda dapat mengetahui secara lebih terperici sebab cidera yang anda alami. Cidera serius bagian punggung dan pinggang bisa disebabkan karena ; dislokasi sendi, sindroma sendi permukaan, disfungsi sendi sacroiliac atau linu panggul dan spondylosis.<br />
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Bike Fitting – Foto competitivecyclist.com<br />
Backpain dapat anda cegah dari awal, Bikefitting memegang peranan penting dalam hal ini :<br />
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Berikut url penghitungan bikefitting dari competitivecyclist.com<br />
<br />
sumber: zonasepeda.com<br />
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let’s ride your bike to everywhere<br />
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444444444<br />
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TIPS MENGHINDARI BACKPAIN SAAT BERSEPEDA,ehow co ukWira Baruna Cyclinghttp://www.blogger.com/profile/02922729335378325254noreply@blogger.com2tag:blogger.com,1999:blog-2765607876516266701.post-10000399737224967392011-05-09T02:36:00.000-07:002011-05-09T02:36:23.450-07:00Fine Tune Fit<!--[if gte mso 9]><xml> <w:WordDocument> <w:View>Normal</w:View> <w:Zoom>0</w:Zoom> <w:TrackMoves/> <w:TrackFormatting/> <w:PunctuationKerning/> <w:ValidateAgainstSchemas/> <w:SaveIfXMLInvalid>false</w:SaveIfXMLInvalid> <w:IgnoreMixedContent>false</w:IgnoreMixedContent> <w:AlwaysShowPlaceholderText>false</w:AlwaysShowPlaceholderText> <w:DoNotPromoteQF/> <w:LidThemeOther>EN-GB</w:LidThemeOther> <w:LidThemeAsian>X-NONE</w:LidThemeAsian> <w:LidThemeComplexScript>X-NONE</w:LidThemeComplexScript> <w:Compatibility> <w:BreakWrappedTables/> <w:SnapToGridInCell/> <w:WrapTextWithPunct/> <w:UseAsianBreakRules/> <w:DontGrowAutofit/> <w:SplitPgBreakAndParaMark/> <w:DontVertAlignCellWithSp/> <w:DontBreakConstrainedForcedTables/> <w:DontVertAlignInTxbx/> <w:Word11KerningPairs/> <w:CachedColBalance/> </w:Compatibility> <w:BrowserLevel>MicrosoftInternetExplorer4</w:BrowserLevel> <m:mathPr> <m:mathFont m:val="Cambria Math"/> <m:brkBin m:val="before"/> <m:brkBinSub m:val="--"/> <m:smallFrac m:val="off"/> <m:dispDef/> <m:lMargin m:val="0"/> <m:rMargin m:val="0"/> <m:defJc m:val="centerGroup"/> <m:wrapIndent m:val="1440"/> <m:intLim m:val="subSup"/> <m:naryLim m:val="undOvr"/> </m:mathPr></w:WordDocument> </xml><![endif]--><!--[if gte mso 9]><xml> <w:LatentStyles DefLockedState="false" DefUnhideWhenUsed="true"
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</style> <![endif]--> <div align="center" class="MsoNormal" style="text-align: center;"><span class="longtext"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="background: white; color: black; font-family: "Arial","sans-serif"; font-size: 18.0pt; line-height: 115%;">Fine Tune Fit </span></b></span></div><div class="MsoNormal"><span class="longtext"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="background: #EBEFF9; color: black; font-family: "Arial","sans-serif";">Berikut adalah beberapa petunjuk untuk membantu tweak posisi Anda dengan sempurna. </span></b></span><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="background: #EBEFF9; color: black; font-family: "Arial","sans-serif";"><br style="mso-special-character: line-break;" /> <br style="mso-special-character: line-break;" /> </span></b><span class="longtext"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="background: white; color: black; font-family: "Arial","sans-serif";"></span></b></span></div><div class="MsoNormal"><span class="longtext"><i style="mso-bidi-font-style: normal;"><span lang="EN-US" style="background: white; color: black; font-family: "Arial","sans-serif";">Jika Anda Memiliki: Nyeri di bagian depan lutut</span></i></span><span class="longtext"><span lang="EN-US" style="background: white; color: black; font-family: "Arial","sans-serif";"> </span></span><span lang="EN-US" style="background: white; color: black; font-family: "Arial","sans-serif";"><br />
<span class="longtext">Kemudian: Anda berada di bawah memperpanjang dalam Anda pedal stroke </span><br />
<span class="longtext">Kemungkinan besar akan diakibatkan: sadel Anda terlalu rendah </span><br />
</span><span class="longtext"><span lang="EN-US" style="background: #EBEFF9; color: black; font-family: "Arial","sans-serif";">Kemungkinan perbaikan: Gunakan panduan kursi tinggi di Jika untuk menemukan posisi yang tepat Anda, dan meningkatkan atau menurunkan sadel Anda sebagai diperlukan. </span></span><span class="longtext"><span lang="EN-US" style="background: white; color: black; font-family: "Arial","sans-serif";">Lihat tukang profesional jika masalah terus berlanjut, tetapi bisa juga karena masalah cocok lainnya atau ketidakseimbangan otot </span></span><span lang="EN-US" style="background: white; color: black; font-family: "Arial","sans-serif";"><br />
<br />
<span class="longtext"> </span><br />
<span class="longtext"><i style="mso-bidi-font-style: normal;">Jika Anda Memiliki: nyeri leher</i> </span><br />
<span class="longtext">Kemudian: Anda mungkin terlalu berbaring/telungkup</span><br />
</span><span class="longtext"><span lang="EN-US" style="color: black; font-family: "Arial","sans-serif";">Beberapa penyebab: Stem terlalu lama. Saddle terlalu jauh ke belakang. Stang terlalu rendah </span></span><span lang="EN-US" style="color: black; font-family: "Arial","sans-serif";"><br />
<span class="longtext"><span style="background: white;">Kemungkinan perbaikan: Dapatkan cek cocok untuk menemukan spot masalah Anda. </span>Swap keluar untuk batang lebih pendek. Periksa kemunduran pelana. Tambahkan spacer bawah batang, atau mencoba, lebih pendek bertingkat tinggi batang </span><br />
<span class="longtext"><span style="background: white;">Jangan: Geser kursi anda semua sekrup depan-Anda akan jalan sampai kemunduran pelana dan menyebabkan masalah lutut </span></span><span style="background: white;"><br />
<br />
<span class="longtext"><i style="mso-bidi-font-style: normal;">Jika Anda Memiliki: nyeri punggung Rendah</i> </span><br />
<span class="longtext">Kemudian: Anda mungkin terlalu berbaring. Anda mungkin memiliki kesenjangan kaki panjang yang baik kerangka atau hasil dari ketidakseimbangan otot di suatu tempat di pinggul Anda atau kaki </span><br />
<span class="longtext">Kemungkinan perbaikan: Cobalah memperbaiki leher-sakit menyesuaikan batang Anda untuk naik lebih pendek dan / atau lebih tinggi. Jika itu tidak berhasil, melihat spesialis cocok untuk memeriksa sepeda sesuai miskin dan kesenjangan kaki panjang </span><br />
<br />
<span class="longtext"><i style="mso-bidi-font-style: normal;">Jika Anda Memiliki: tangan Numb</i> </span><br />
<span class="longtext">Kemudian: Anda mungkin meletakkan beban terlalu banyak pada handlebar </span><br />
</span><span class="longtext">Beberapa penyebab: Handlebar terlalu rendah. <span style="background: white;">Kursi terlalu jauh ke belakang atau miring ke bawah, yang menyebabkan Anda untuk geser ke depan dan menempatkan lebih berat pada lengan Anda. </span>Pergelangan tangan membungkuk begitu banyak sehingga kompres saraf </span><br />
<span class="longtext">Kemungkinan perbaikan: Tambahkan spacer batang, atau coba naik-lebih tinggi atau batang lebih pendek. Tingkat kursi Anda. <span style="background: white;">Fokus pada pegangan ringan dengan pergelangan tangan lurus, dan mengubah posisi tangan sering. </span>Investasi di tape bar baru dan sarung tangan </span><br />
<span class="longtext"><span style="background: white;">Jangan: Lower kursi Anda, atau Anda bisa melukai lutut Anda </span></span><span style="background: white;"><br style="mso-special-character: line-break;" /> <br style="mso-special-character: line-break;" /> </span></span></div><div class="MsoNormal"><br />
</div><div class="MsoNormal"><span lang="EN-US" style="background: white; color: black; font-family: "Arial","sans-serif";"><br />
<span class="longtext"><i style="mso-bidi-font-style: normal;">Jika Anda Memiliki: Burning atau kesemutan di kaki Anda</i> </span><br />
<span class="longtext">Kemudian: cleat Anda dan sepatu yang tidak benar cocok </span><br />
</span><span class="longtext"><span lang="EN-US" style="color: black; font-family: "Arial","sans-serif";">Beberapa penyebab: Sepatu terlalu ketat. Cleat tidak benar diposisikan di sepatu. Anda memiliki misalignment kaki atau postur, seperti varus. </span></span><span lang="EN-US" style="color: black; font-family: "Arial","sans-serif";"><br />
<span class="longtext"><span style="background: white;">Kemungkinan perbaikan: tali sepatu Kendurkan sedikit. </span>Pindahkan cleat Anda kembali (sekitar 2mm) untuk mendistribusikan tekanan. Jika berlanjut, melihat ke dalam footbeds adat atau perbaikan orthotic lainnya </span><br />
<br />
<span class="longtext"><i style="mso-bidi-font-style: normal;">Jika Anda Memiliki: Kekebasan / nyeri dari pelana</i> </span><br />
<span class="longtext">Kemudian: Posisi atau sadel perlu diubah </span><br />
<span class="longtext">Beberapa penyebab: Handlebar terlalu rendah, menyebabkan Anda untuk memutar panggul ke depan untuk mencapai bar. Saddle miring terlalu jauh atas atau bawah. Saddle terlalu jauh ke belakang, sehingga Anda naik pada hidung. <span style="background: white;">sadel Anda tidak cocok dengan anatomi Anda </span></span><span style="background: white;"><br />
</span><span class="longtext">Kemungkinan perbaikan: Naikkan stang dengan spacer. Tingkat kursi Anda. <span style="background: white;">Periksa kemunduran pelana. Cobalah sadel berat badan-berbeda Anda harus didukung pada tulang anda duduk, bukan jaringan lunak </span></span><span style="background: white;"><br />
<br />
<span class="longtext"> </span><br />
</span><span class="longtext"><i style="mso-bidi-font-style: normal;">Jika Anda Memiliki: Nyeri belakang lutut </i></span><i style="mso-bidi-font-style: normal;"><br />
</i><span class="longtext">Kemudian: Anda overextending dalam Anda pedal stroke </span><br />
<span class="longtext"><span style="background: white;">Kemungkinan Penyebab: sadel Anda terlalu tinggi </span></span><span style="background: white;"><br />
<span class="longtext">Kemungkinan perbaikan: Gunakan pedoman ketinggian kursi untuk menemukan posisi yang tepat Anda, dan meningkatkan atau menurunkan sadel Anda sebagai diperlukan. </span></span></span></div><div class="MsoNormal"><br />
</div><div class="MsoNormal"><span lang="EN-US" style="color: black; font-family: "Arial","sans-serif";"><span style="background: none repeat scroll 0% 0% white;"><span class="longtext">Ben<span style="background-color: #fff2cc;"></span> </span></span><span style="background: #EBEFF9;"><br style="mso-special-character: line-break;" /> <br style="mso-special-character: line-break;" /> </span><span style="background: white;"></span></span></div>Wira Baruna Cyclinghttp://www.blogger.com/profile/02922729335378325254noreply@blogger.com0tag:blogger.com,1999:blog-2765607876516266701.post-75090042076725159752011-04-26T21:15:00.000-07:002011-04-26T21:15:20.312-07:00wb-cycling: GPS apps for Blackberry<a href="http://wbcycling.blogspot.com/2011/04/gps-apps-for-blackberry.html?spref=bl">wb-cycling: GPS apps for Blackberry</a>: "Endomondo Sports Tracker PRO: Blackberry Download the Endomondo Sports Tracker PRO for Blackberry on App World. Use your mobile as..."Wira Baruna Cyclinghttp://www.blogger.com/profile/02922729335378325254noreply@blogger.com0tag:blogger.com,1999:blog-2765607876516266701.post-25482601611948884242011-04-26T21:04:00.001-07:002011-04-26T21:04:40.522-07:00Downhill ...........<a href="http://youtu.be/LSeqn8_Hu4Y">http://youtu.be/LSeqn8_Hu4Y</a>Wira Baruna Cyclinghttp://www.blogger.com/profile/02922729335378325254noreply@blogger.com0tag:blogger.com,1999:blog-2765607876516266701.post-3964023679537757832011-04-26T20:22:00.000-07:002011-06-28T16:16:04.301-07:00sexy iodine .....................<div class="separator" style="clear: both; text-align: center;"></div><br />
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<div class="separator" style="clear: both; text-align: center;"></div>Wira Baruna Cyclinghttp://www.blogger.com/profile/02922729335378325254noreply@blogger.com0