Description
With an advanced seal construction for smoother rotation, the Shimano Dura-Ace is still lightweight at 54 grams. Features: BB86 standard Hollowtech II bottom bracket for road cranks Smaller ball bearings reduce weight and friction Advanced seal construction for better protection and less drag Specifications: BB Bearing: Steel BB Type: Press-Fit...
Shimano Dura-Ace SM-BB92-41B Bottom Bracket Item # 975770
Description
With an advanced seal construction for smoother rotation, the Shimano Dura-Ace is still lightweight at 54 grams.
Features:
- BB86 standard Hollowtech II bottom bracket for road cranks
- Smaller ball bearings reduce weight and friction
- Advanced seal construction for better protection and less drag
Specifications:
- BB Bearing: Steel
- BB Type: Press-Fit
- BB Shell Type: BB86
- BB Shell Width: 86 mm
- Crank Spindle Diameter: 24 mm
- Cup Diameter: 41 mm
- Interface: Hollowtech II
- Primary Color: Silver