Product details
The bottom bracket bearings for the HollowTech II FC-9000 crankset, which is the ultimate crankset 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 FC-9000 chain set, with a choice of English (68 mm) or Italian (70 mm) thread BB cups