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A place to ask bicycle repair questions, and for bike shop monkeys to share advanced non commercial wrenching resources (no YouTube self promotion). This is only for repair related topics.

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Chain only runs cleanly when I keep the shifter pressed (self.bikewrench)

submitted 1 year ago by lom to c/[email protected]

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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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[–] [email protected] 2 points 1 year ago

What kind of shifters are you running?

With friction shifters, the spring in the derailleur might be pulling the shift lever back. You can fix that by tightening the friction adjustment screw on the side of the lever. Backing out the limit screw might also help.

With indexed shifters, you can try increasing the cable tension a bit (not too much, or it will throw off the other gears).