With an advanced seal construction for smoother rotation and small ball bearings to minimise weight, the SHIMANO DURA-ACE bottom bracket is the top of the line solution in Shimano’s offering.

FEATURES
Bottom bracket with small ball bearings for a truly lightweight offering
Advanced seal construction for smoother rotation

SPECIFICATIONS
Series: DURA-ACE R9100 Series
Weight: 65g
Suits: All 24mm Spindles & Shimano HOLLOWTECH II Systems.
Bottom Bracket Standard: Italian Threaded