Shimano part no.: Y1LR13000. Crank Arm Fixing Bolt for Shimano XTR FC-M980 / 985 / 9000 / 9020 for chainrings 10 speed double & triple chainsets. Compatibility - Shimano XTR Crank Arm Fixing Bolt. 1 x Shimano XTR FC-M980/985/9000/9020 Crank Arm Fixing Bolt.
