PRO Crank Protector Crank Sleeve For MTB Suits FC-M9100, FC-M9120, FC-M9130 AI This allows you to slot

This allows you to slot it into the cage’s housing bracket and forget about it until you need it

Narrower position at the hoods for watt-saving aerodynamic efficiency

24 x 11 x 6

40mm deep/26mm wide NACA profile optimized for rim brakes

PRO Crank Protector Crank Sleeve For MTB Suits FC-M9100, FC-M9120, FC-M9130 AI This allows you to slotThe 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 cranks. Features MTB crank end protectorConstructed from thermoplastic rubberCompatible with SHIMANO FC M9100, FC M9120, and FC M9130 cranks Mfr Claimed Weight TBC