Description
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: Hollowtech II bottom bracket with small ball bearings for lightweight Advanced seal construction for smoother rotation Available in 68 mm BSA...
Shimano Dura-Ace BB-R9100 Bottom Bracket Item # 976095
Description
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:
- Hollowtech II bottom bracket with small ball bearings for lightweight
- Advanced seal construction for smoother rotation
- Available in 68 mm BSA or 70 mm Italian
- Compatible with all road Hollowtech II cranks
Specifications:
- BB Bearing: Steel
- BB Type: Threaded
- BB Shell Thread:
- 68 mm: British
- 70 mm: Italian
- Crank Spindle Diameter: 24 mm
- Interface: Hollowtech II
- Primary Color: Black