Crank Arms Protector PRO for Shimano Cranks

Crank Arms Protector PRO for Shimano Cranks The PRO Crank Protector is a thermoplastic rubber protector for the end of SHIMANO cranks. It is compatible with FC-M9100, FC-M9120 and FC-M9130 mountain bike crank. Ensure the longevity of your mountain bike cranks with the PRO Crank Protector. The thermoplastic rubber sleeve slots over SHIMANO MTB cranks ends, is held in place by the pedal spindle and provides physical protection against rock and treestump strikes which could otherwise damage the crank ends.