Shimano Dura-Ace SM-BB92-41B
With an advanced seal construction for smoother rotation, the Shimano Dura-Ace SM-BB92-41B weighs in at a mere 54 grams.
- Bottom bracket with small ball bearings for lightweight
- Advanced seal construction for smoother rotation
- Press Fit
- 86.5mm BB Shell Width
- 41mm BB Cup Diameter
- Inner cover