• i clonked my rear mech on a rock yesterday, or at least I think i did. Anyway, after crashing through some boulders i have lost indexing. there’s no signs of impact but i thought the alignment looked iffy. i stuck a 5mm in the allen socket and cautiously pulled the hanger/mech outward but it hasn’t made much of a difference. keep yanking? it’s alloy. I have no spare. what should i do?

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