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Bicycle Mechanics Broken bottom bracket? Tacoed wheel? If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance.

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Old 02-27-06, 06:56 AM   #1
caotropheus
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chain jumping in Dura-Ace drive train

I have a road bicycle for 4 years with Dura-Ace drive train and STI. Recently every time I shift down one gear the chain jumps 2 cogs. What is the cause of this malfunction, worned out chain, cassete, chain rings ?


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Old 02-27-06, 09:52 AM   #2
NoRacer
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You could try increasing the tension on the RD cable a litlle bit by using the in-line cable adjuster up by the right shifter.

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