SHIMANO DURA-ACE - Bottom Bracket - Threaded - HOLLOWTECH II - 68/70 mm shell width
With an advanced seal construction for smoother rotation and small ball bearings to minimize weight, the SHIMANO DURA-ACE bottom bracket is offered in both pressfit and threaded options.
Features
- Bottom bracket designed with small bearings for weight reduction
- Advanced seal construction for smoother rotation
- Product code: IBBR9100B
- Item Number: BB-R9100
