The DURA-ACE Bottom Bracket features a Press Fit design for HOLLOWTECH II with a 86.5 mm shell width. It boasts an advanced seal construction for smoother rotation, all while maintaining a lightweight design at just 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).
Part number: ISMBB9241B
Barcode: 4524667403760
Product code: SHIM ISMBB9241B