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Pedel bike Cranks
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<blockquote data-quote="Boonie Buster" data-source="post: 1440259" data-attributes="member: 15974"><p>Sheldon Brown's Website:</p><p> </p><p><strong>Chain suck</strong></p><p></p><p>Chain suck occurs primarily when downshifting under load from the middle to the smallest chainring. The bottom run of the chain may not immediately disengage from the middle ring, and can get carried upward until it wedges betwixt the chainwheels and the right chainstay. </p><p>This jams the crankset. Since you probably wouldn't have been shifting to the granny if you weren't already climbing, the sudden lock-up of the drive train deprives you of what little momentum you had, and you are very likely to stall and fall. </p><p>Chain suck is commonly caused by bent chainring teeth, dirty chains, or, occasionally, burrs on the teeth of new chainwheels. Jonathan Levy has an extensive <strong><a href="http://fagan.co.za/Bikes/Csuck/" target="_blank"><span style="color: #0000ff">Web site about Chain Suck</span></a></strong></p></blockquote><p></p>
[QUOTE="Boonie Buster, post: 1440259, member: 15974"] Sheldon Brown's Website: [B]Chain suck[/B] Chain suck occurs primarily when downshifting under load from the middle to the smallest chainring. The bottom run of the chain may not immediately disengage from the middle ring, and can get carried upward until it wedges betwixt the chainwheels and the right chainstay. This jams the crankset. Since you probably wouldn't have been shifting to the granny if you weren't already climbing, the sudden lock-up of the drive train deprives you of what little momentum you had, and you are very likely to stall and fall. Chain suck is commonly caused by bent chainring teeth, dirty chains, or, occasionally, burrs on the teeth of new chainwheels. Jonathan Levy has an extensive [B][URL="http://fagan.co.za/Bikes/Csuck/"][COLOR=#0000ff]Web site about Chain Suck[/COLOR][/URL][/B] [/QUOTE]
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