Bottom Bracket Shimano Dura-Ace BB92-41B Press-Fit

Bottom Bracket Shimano Dura-Ace BB92-41B Press-Fit

The Shimano Dura-Ace SM-BB92-41B press-fit bottom bracket is designed for road bikes where maximum efficiency, low weight and smooth rotation are essential. The press-fit design with a 24 mm axle delivers the ideal balance of stiffness, strength, sealing and rotational performance.

Using 24 mm diameter axles and bearings ensures minimal friction and long service life, even under demanding racing conditions. Shimano’s precise sealing system protects the bearings from dirt and moisture.

The BB92-41B fits frames with a 86.5 mm press-fit shell width and a 41 mm shell diameter, and is specifically developed for Dura-Ace cranksets.

• Use: Road
• Model: SM-BB92-41B
• BB type: Press Fit (41 x 24 mm)
• Shell width: 86.5 mm
• Shell diameter: 41 mm
• Weight: 54 g
• Compatibility: Dura-Ace FC-9000, FC-R9100