SHIMANO BB-ES50 Bottom Bracket Assembly Left Hand Adapter B.C. 1.37" x 24T English Thread for Shell Width 73 mm - Y1T702200

SHIMANO BB-ES50 Bottom Bracket Assembly Left Hand Adapter B.C. 1.37" x 24T English Thread for Shell Width 73 mm - Y1T702200

This "A" match indicates that the parts are the same in materials, appearance, finish, size, etc.

BB-ES51

Original Shimano parts guarantee that all components work perfectly for optimum performance and maximum safety and longevity.