Shimano HollowTech II Crank Arm Fixing Bolt Long for Ultegra FC-6800, 5800, 4700

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.

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