Fixing a clicky rear derailleur

Is there anything more annoying than a clicky or skipping rear derailleur? No, I don't think so.
Posted: Tue 13 Jun, 2017, 11:21

I have tried tuning a "clicky" rear derailleur a few times now and always seem to forget the stuff I had learned the last time. So I decided to write down the lessons learned so that hopefully I will not repeat the same mistakes next time.

  1. Make sure the barrel adjuster on the shifter is in the middle of it's range, neither fully tight or loosened. This means you can use it to make small adjustments if needed later.
  2. Place the shifter to the highest (smallest gear) ring and tighten the cable at this setting. May need to loosen later so no need to tighten it too much.
  3. Move to shifter to the top, being careful not to send it over into the hub.
  4. Check the max limit by pushing the hanger out into the hub and make sure that it does not move. If the hanger arm is able to move further out, then it can fall into the hub when cycling so loosen the outer screw to bring it in. If the hanger arm is sitting inside the natural line of the biggest cog, then tighten the outer screw to push it out.
  5. After than tuning, the cable may be a bit slack now on the biggest ring, so use the pliers to pull it tight and then re-tighten the holding screw to keep it in place.
  6. Now run the shifter back down to the bottom and make sure it is aligned. If not, then use adjust the inner screw onto the rear derailleur to aligned.

If the chain is jumping, then try and figure out where it is jumping.