Dura Ace is Shimano's top group, which features low weight and the highest performance used by top riders. SM-BB92 bearings are dedicated to the Shimano Dura Ace drivetrain. This version only fits frames with a PressFit (press-fit) standard bottom bracket. The bearings can also be used with cranksets of lower groups - Ultegra, 105 or Tiagra.
Key information:
Intended use: road bikes
Mounting standard: Press Fit
Compatibility - Dura Ace and lower groups - Ultegra, 105, Tiagra
Coupler width: 86.5 mm
Bowl diameter: 41 mm
Bearing weight: 55 g
product code: ISMBB9241B
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