My bike is doing some really weird things. When I stop pedalling the chain will "bounce," meaning the top part of the chain will slap the chainstay and the r. der. will flex like no other in unison. I couldn't see anything obviously wrong with it upon inspection. This happens riding on flat ground as well. For reference, I have a single ring chainguide, x9 r der.
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Thread: R Derailer problem
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