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Product Information
Shimano Dura-Ace Hollowtech 2 Road Bike Bottom Bracket Cup Kit Italian Thread
The bottom bracket bearings for the HollowTech II FC7900 crank set, which is the ultimate crank set for stiffness whilst keeping weight low for performance riding and racing
Minimal bearing interface gives superbly smooth rotation
Distinctive style that exudes quality and perfection
Required for installation of FC7900 chain set
Italian thread BB cups
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