Shimano Dura-Ace BB-R9100 Bottom Bracket – British

Shimano Dura-Ace groupset is designed to be the best and the Dura-Ace BB-R9100 Bottom Bracket is no different!  Incredibly light yet highly durable, the BB-R9100 uses minimal bearing interfaces to reduce drag, saving precious watts over the course of ride. Despite this and the associated smaller bearings, the BB-R9100 is incredibly durable, able to run smoothly in even the worst conditions.  Designed for 24mm axle Hollowtech II chainsets, the Shimano Dura-Ace BB-R9100 Bottom Bracket is perfect for riders looking for it all from their bottom bracket; smooth performance, drag-free running teamed with fit and forget durability.