DURA-ACE Bottom Bracket - Press Fit - HOLLOWTECH II - 86.5 mm shell width
With an advanced seal construction for smoother rotation, the DURA-ACE is still lightweight at 54 grams.
FEATURES
- Bottom bracket with small ball bearings for lightweight
- Advanced seal construction for smoother rotation
- Weight: 65g (SM-BB9000) 54g (SM-BB92-41B)
