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Shimano Ultegra SM-BB6700 Bottom BracketGive your road bike excellent power transfer and effeciency with the Shimano Ultegra SM-BB6700 bicycle 10-speed bottom bracket!
- Improved sealing provides smoother rotation and longer durability
- Wider bearing stance increases stiffness, efficiency and stability
Shimano Ultegra SM-BB6700 Bottom Bracket
- bb - compatibility:
- Hollowtech II
- ring material: