Bike Parts Shimano Bottom Brackets | Shimano Dura-Ace R9100 Bottom Bracket Black

Designed For Use With 9100 And 9150 Dura Ace Drivetrains, The Shimano Dura Ace Bb-R9100 Bottom Bracket Features An Advanced Seal Construction For A Smoother Rotation. Its Small Bearings Are Also Lightweight.

Compatible With The Entire Shimano Road Bike Crankset Range, The Dura-Ace R9100 Bottom Bracket Brings You Effortless Rotation That Lasts. Created To Get The Best Out Of Your Dura-Ace Crankset, Its Upgraded Seal And Compact Bearings Give You The Race-Ready Performance You Need In All Riding Conditions.