Overview
The Shimano BB-MT501 bottom bracket for Hollowtech II provides better sealing and rotation to delivery high driving efficiency.
Features
English (BSA) threaded bottom bracket
Fits 68 and 73mm frame bottom bracket shells
For use with MTB
Aluminum threaded cups
Specs
Spindle Interface Type: Shimano Hollowtech II
BB Shell Width (mm): 68 , 73
Bottom Bracket Shell I.D.: 1.37
Defined Color: Black
BB/Frame Interface: English