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: Shimano Hollowtech II
BB Shell Width (mm): 68
Bottom Bracket Shell I.D.: 1.37
Defined Color: Silver
BB/Frame Interface: English
Weight: 93