Shimano Ultegra SM-BBR60 Bottom Bracket Item # 976092
Description
With reliable Shimano bearings and seals, the Shimano Ultegra bottom bracket has a long service life.
Features:
- Ultegra/105 level Hollowtech II bottom bracket
- 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