Shimano BB-R9100 Bottom Bracket Dura-Ace English 68mm Dura-Ace 2016
Availability: Low Stock
The Shimano Dura-Ace BB-R9100 Bottom Bracket is system engineering at its peak. Each of the components magnifies the qualities of the others for an unparalleled level of performance. Optimizing input to maximize output. That's how it achieves supremacy.
Bottom bracket with small ball bearings for extra weight savings