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02-27-06, 06:56 AM
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 ?
02-27-06, 09:52 AM
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.