I have a 2001 Specialized Rockhopper which is vexing me beyond belief. It runs completely fine, however, when under pedaling input, there is this weird shudder which can be felt in the pedals. It's coming from the drivetrain since its not present when just coasting and I've swapped out a few different pedals to see if they were the problem, to no avail.
The shifting is fine. It seems like its indexed properly in both front and rear derailleurs. It shifts smoothly and it doesn't ghost shift that I have found yet. I'd like to figure out what the deal is, however, since something is wrong. I'm loaning out the bike to a girl who wants to get into the sport in a few weeks and I don't wanna mess this opportunity up with a weird bike quirk
Thanks for any suggestions you guys can give!
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Thread: Odd Problem
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