9 speed, Shimano RD-M770 rear mech, long cage. Must be straight. I bought a couple with wobbly or bent cages recently, so it needs to be in good nick. Cheers
9 speed, Shimano RD-M770 rear mech, long cage. Must be straight. I bought a couple with wobbly or bent cages recently, so it needs to be in good nick. Cheers
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