The chain has been fed through the wrong side of the mech cage plate.
You’ll have to break it and re-feed so it sits the other side, as per the red line here:
You’ll have to break it and re-feed so it sits the other side, as per the red line here
Easy with a quicklink, or without you can remove a jockey wheel and get it in the right place.
@snottyotter started
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The chain has been fed through the wrong side of the mech cage plate.
You’ll have to break it and re-feed so it sits the other side, as per the red line here: