You are reading a single comment by @Scilly.Suffolk and its replies. Click here to read the full conversation.
  • Just a thought but if the top sprocket is 11t, then a 12t should stop the chain rubbing the stay.

    Have you measured the OLD? The stays may be a little splayed.

  • Just a thought but if the top sprocket is 11t, then a 12t should stop the chain rubbing the stay

    Sometimes using a bigger top sprocket makes the problem worse, due to the seat stay being wider than the dropout :-)

About