Shimano Bb Sm-bb92 41mm Dura-ace Press Fit 86.5mm

The Dura Ace bottom bracket cups for Hollowtech II cranksets. The small bearings provide for low weight and the new seal design for easier operation. Compatible with 86.5mm shell.

FEATURES:
- easy press-fit installation
- sealed cups keep out dirt and water
- cup diameter: 41mm
- suits: Hollow Tech crank set, Hollow Tech II