That's horrendous. Here's two more suggestions, seatpost too long, touches the bottle cage bolt or defective crank, sometimes the axle-arm interface isn't as solid as one would expect.
seatpost too long, touches the bottle cage bolt
This is genius/pure evil!
@vilms5000 started
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That's horrendous. Here's two more suggestions, seatpost too long, touches the bottle cage bolt or defective crank, sometimes the axle-arm interface isn't as solid as one would expect.