BB-MT501 English Bottom Bracket - English, 68/73mm, Fits Hollowtech II Spindle, Black cable kit The GE1 Evo Slim is

The GE1 Evo Slim is specifically developed around the demands of gravity and enduro riding

It’s powerful enough to seat tubeless tires (depending on setup)

supportive and smoothest descent-focused damper they've created

Reflective elements and a rear light bracket provide greater visibility even when out riding at dusk

BB-MT501 English Bottom Bracket - English, 68/73mm, Fits Hollowtech II Spindle, Black cable kit The GE1 Evo Slim isThe Shimano BB MT501 bottom bracket for Hollowtech II provides better sealing and rotation to delivery high driving efficiency. English (BSA) threaded bottom bracket Fits 68 and 73mm frame bottom bracket shells For use with MTB Aluminum threaded cups