• I've got a chinese hollow tech crankset that I acquired with no fixing bolt , I bought a FC-M980 fixing bolt for preloading them as a punt that it may work. The FC-M980 bolt is slightly too big to thread into the cranks I have, any idea which model number hollowtech fixing bolt I may need? I know there is a lot and maybe three XTR crank models use fixing bolts that have slightly smaller flange diameter - could that be the one I need?

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