Shimano BB-MT501 English Bottom Bracket - English 68/73mm Fits Hollowtech II Spindle BLK

The Shimano BB-MT501 bottom bracket for Hollowtech II provides better sealing and rotation to delivery high driving efficiency.

Bottom Bracket Shell I.D.	1.37
BB/Frame Interface	English
BB Shell Width (mm)	73
Spindle Interface Type	Shimano Hollowtech II
Defined Color	Black