Overview
The Shimano BB-RS501 bottom bracket features an enhanced seal construction to provide long-lasting performance and service life.
Features
Designed for a perfect fit with Hollowtech II 24mm crank spindles
Anodized aluminum cups are high strength and light weight
For use with English thread bottom bracket frames
Specs
Spindle Interface Type:Â Shimano Hollowtech II
BB Shell Width (mm):Â 68
Bottom Bracket Shell I.D.:Â 1.37
Defined Color:Â Silver
BB/Frame Interface:Â English
Weight:Â 93