Description

Give your drivetrain the smooth rotation and lightness of the Shimano Dura-Ace SM-BB92-41B Press Fit bottom bracket to ensure your road rides maintain smooth pedaling power.

Features

• Advanced seal construction helps protect against the elements for a smoother rotation
• This HOLLOWTECH II bottom bracket shell is the recommended press fit option for Dura-Ace R9100-series cranksets
• 86 mm shell width