Product Description

The SM-BB72-41B bottom bracket by Shimano - Press Fit for road and SLX cranks

Shimano SM-BB72-41B is a press fit bottom bracket recommended for Ultegra and 105 11-speed and Metrea City cranks. Small ball bearings help save on weight. This Hollowtech II bottom bracket also has a shaft diameter of 24 mm, which has proven to be optimal in terms of stiffness and rotational efficiency.

Specifications:

Application: Road, City

Type: press fit BB86

Shell Diameter: 41 mm

Shell Width: 86.5 mm

Axle Diameter: 24 mm (Hollowtech II)

Technical Information:

Bearings: steel

Bottom Bracket Cup Material: synthetic resin

Compatibility:

Recommended for:

• Ultegra FC-R8100, FC-R8100-P, FC-R8000, FC-6800
• 105 FC-R7100, FC-R7000, FC-5800
• GRX FC-RX820, FC-RX810
• Metrea FC-U5000
• FC-RS500