For Shimano Hollowtech II Left Crank Arm. Ultegra : FC-6800, R8000. Shimano Crank Fixing Bolt. Plus: Shimano "B" Match for FC-4650, FC-9000 (B-Type - 16mm). 105 : FC-5800, R7000.
Crank Arm Fixing Bolt For MTB Shimano HollowTech II Crank Chainset CNC M20
Shimano Hollowtech II Crank FC-T661 Bolt & Washer Y1KS98030/Y1GS21000 1x Piece
Shimano HollowTech II Crank Arm Fixing Bolt, Ultegra, 105, Sora - Y1KS13000
Shimano HollowTech II Crank Arm Fixing Bolt, XT, Zee, SLX, LX, Deore
Shimano HollowTech II Crank Arm Fixing Bolt, Deore XT M8100, M7100 - Y0J620000
Shimano Hollowtech II Axle FC-7800 O-Ring Crank Arm Y1F316000 (1X Piece) Genuine