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lmamammal
I suspect a cock up in marking parts used on two different mechs with the spec for the other one. There are two short cage X0 RDs, the XC one which it looks like you have, which will work with a 36T sprocket but only on a 1x set up due to limited total capacity, and the DH one which has a different parallelogram geometry and really will only work with a maximum 28T sprocket.