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Old 01-01-21, 09:35 AM
Join Date: Feb 2017
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Originally Posted by Daddydgc View Post
Yes I have tried detaching the gear cable and pushing rear mech across manually but does not appear to quite have the range of movement to sit directly above the largest cog (despite the limit screw being fully released).

The issue is the RD cant push the chain far enough across to the largest cog as there is enough clearance above the largest cog.
I am suspecting a derailleur hangar alignment issue, You may be able to detect this visually, but with 10 speed and up it needs to be more precise, and you may need a hangar alignment tool in order to positively rule this out.

It is a little odd that this would not have come up with the last RD, but it may be that the last RD had a tad more extra range available to it.
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