You are reading a single comment by @Ste_S and its replies. Click here to read the full conversation.
  • The spring in the rear derailleur pulls it towards the smaller sprockets, so what you're describing is a symptom of not enough tension, most likely (as you say) from the shifter slipping.

    Assuming it's complete, just do it up tighter.

About

Avatar for Ste_S @Ste_S started