My rear shifting has lost its accuracy and I noticed yesterday when changing wheel that when I tighten the rear QR the mech and hanger moves inward like it’s bent slightly out and the skewer pulls it back in. Alloy frame. Problem?
Which frame?
If the hanger is removable I'd look at replacing it because it might be damaged. Obvs. check everything else first, shifters, cables, stops, mech....
As a bodge, you could straighten the hanger using the alignment tool (or other hack) with the QR done up 'use tight'.
The arkose. I’ll try a new hanger first. Needs new cables too so overhaul time
@Howard started
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My rear shifting has lost its accuracy and I noticed yesterday when changing wheel that when I tighten the rear QR the mech and hanger moves inward like it’s bent slightly out and the skewer pulls it back in. Alloy frame. Problem?