New bike, full Dura Ace, 500 miles on it, compact crank (Truvativ
Rouleur CarbonCrank 50/36T, 23-11 cassette, Ksyrium SL wheels)
Going downhill I was passing a guy at a hairpin turn, and I when wanted
to re-gain speed by pressing semi hard on the crank (50-11) the chain
fell off outside. This was the 2nd time it happenned, in the same
cirumstances. No shifting was involved. Shifting and the drivetrain
overall are flawless otherwise. What is it? Does the crank bend when I
press hard on it?
Also, when back pedalling there is a hesitation in the chain. I
could've backpadaled half rev before the turn before the chain fell of.
Road Cycling · Public discussion
chain falls outside w/o shifting
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- 21 June 2006
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