Shimano XT BB-MT800 Press Fit Bottom Bracket 2026 size 104.5/107mm | Aluminum

evo.com | Shimano Bottom Bracket > The Shimano XT BB-MT800 Press Fit Bottom Bracket makes the choice for a bottom bracket simple - this thing is smooth as butter. Optimal Balance of Durability and Lightweight New 3D composite chain ring's teeth composition is optimized for each chainwheel load out with steel driving gear teeth and aluminum support gears Press Fit Compatible HollowTech II 89.5/92 mm Shell Width Ride Anywhere 11-Speed Rider Tuned Gearing Consistent Shifting Performance and Enhanced Chain Management | Shimano XT BB-MT800 Press Fit Bottom Bracket 2026 - 104.5/107mm | Aluminum