Originally Posted by
jaxgtr
I had this issue once, it was a loose chainring bolt. Drove me nuts for a month. Happened every time at the top of the stroke.
Me too. It bugged me all the way across Illinois and Indiana headed to Pittsburgh a few years ago. I had a lot of time to be annoyed by it. I swapped out pedals, nope. I removed and reinstalled the cassette. Nope. I finally checked the chain ring bolts. Bingo!
