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Shift/skip every 1 1/2 revolutioins
#1
My
Next,
Breakpoint Pro,
21 speed

is suddenly, on every 1 1/2 rotations of the pedals, trying to shift gears all by itself and then does a short skip..

It happens in every gear.

Where do I begin to look?
Reply
#2
Sound like it could be a stiff link in the chain, try this: http://bicycletutor.com/stiff-chain-link/
Reply


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