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Chain only runs cleanly when I keep the shifter pressed (sh.itjust.works)

submitted 1 year ago by lom@sh.itjust.works to c/bikewrench@lemmy.world

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Hi all

When I'm on the biggest wrong on my rear sprocket I can hear a light ticking noise when I pedal.

The noise goes away when I keep the shifter pressed down, as the chain is then properly aligned with the sprocket (I think)

How would I adjust the derailleur to fix this? Do I need to change the limit screw or just the tension of the cable?

Pointers into the right direction are appreciated 😅

Thanks!

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[–] dublet@lemmy.world 1 points 1 year ago* (last edited 1 year ago)

Park Tool has some nice videos that take you through the process of adjusting both the front and the rear derailleur. All you need is a screw driver and a few hex keys (possibly).

https://www.youtube.com/watch?v=ZNG7g83lI-s

https://www.youtube.com/watch?v=UkZxPIZ1ngY

Calvin is great at clearly explaining these things, even if they promote their own tools quite a lot. (I am not affiliated with PT.)

[–] Will8250@lemmings.world 1 points 11 months ago

If you can make it go away with the shifter, I would guess it is not the limit screw but that cable tension (I don't think the shifter would help alleviate the problem if the limit screw is set too far in). You could start with using 1/4 turn increments of the barrel adjuster at the shifter. Go slow. Do one 1/4, shift around and stop back on large cog and see how it sounds and looks.