Description
Shimano’s Ultegra bottom bracket uses Pro Tour-proven technology for lighter weight and super smooth spinning, while still maintaining the same level of durability and stiffness. It’s available in English, Italian, or Press Fit models.
- New seal construction for smoother rotation
- BB Shell Width (mm): 68 mm
- BB/Frame Interface: BB86
- Bottom Bracket Shell I.D.: 41
- Defined Color: Black
- Weight: 69 g
- Spindle Interface Type: Shimano Hollowtech II
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