Shimano BB-MT501 English Bottom Bracket - English, 68/73mm, Fits Hollowtech II Spindle, Black bmx For use with mineral oil

For use with mineral oil brake systems only

Compatible with Sram and Shimano derailleurs

The system is tested to IP69K water and dust proofing standard for creek crossings

Auto on/off

linear-pull and mechanical disc brakes

Shimano BB-MT501 English Bottom Bracket - English, 68/73mm, Fits Hollowtech II Spindle, Black bmx For use with mineral oilThe Shimano BB MT501 is a precision engineered bottom bracket designed for mountain bikers demanding reliable drivetrain performance. This English (BSA) threaded unit accommodates both 68mm and 73mm frame shells, making it compatible with most modern MTB platforms. Built around Hollowtech II spindle compatibility, it features sealed cartridge construction that resists contamination and moisture intrusioncritical for off road conditions. The aluminum