Time didn't make any compromises when it comes to durability

Frame suitable for medium to large faces

and 12 speed quick links chains

Includes Schader valve remover

Shimano BB-MT800 XT 68-73mm External Bottom Bracket - 24mm - BSA Threaded - 68-73mm netsuite-webdata-created Time didn't make any compromisesPremium XT bottom bracket keeps the elements out and your cranks spinning freely. The XT BB MT800 uses smaller ball bearings for smooth operation while durable seals keep the dirt and grime out. The BB MT800 is compatible with Shimano Hollowtech II cranks and 68 73mm BB shells. Installation: The smaller diameter 16 notch 41mm cups on this BB require the Cleanskin 4 in 1 BB Tool, or the Park BBT 59. 2 41mm OD External BB Tool for installation. If you