For Dura Ace FC-9000 or XTR M9000 & M9020.
Shimano - FCM580 Security Plate for Shimano Hollowtech II left hand crank arms.
Shimano HollowTech II Crank Arm Fixing Bolt, XT, Zee, SLX, LX, Deore
Shimano Hollowtech II Axle FC-7800 O-Ring Crank Arm Y1F316000 (1X Piece) Genuine
Shimano Hollowtech II Crank FC-T661 Bolt & Washer Y1KS98030 (1X Piece) Genuine
Shimano HollowTech II FC-M8100 Crank Fixing Bolt for Deore XT Y0J620000 Genuine
Shimano HollowTech II FC-M980/985/9000/9020 Crank Arm Fixing Bolt XTR Y1LR13000
