Originally Posted by datlas

My rear shifting became quite sloppy during yesterday’s gritty ride. I cleaned/degreased drivetrain and relubed everything.

BUT

It’s still not shifting well and I have isolated the problem to the RD which is not swinging back well, and causing a severe case of slack-chain. The return spring on RD seems weak. See pic below. Suggestions?? I think I had this problem before and tried to tighten the circular return spring and it’s been several years, all I recall is it ended up not working and I got very frustrated.




Help!