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- Shell Type: PressFit BB86, PressFit BB91, PressFit BB92
- Shell Width: 89.5 – 93 mm
- Claimed Weight: 72 g
- Recommended Use: mountain bike
- Manufacturer Warranty: 2 years
The Shimano XT BB-MT800-PA Bottom Bracket steps up the 11-speed game with durable bearing seals and smaller bearings than previous models to reduce friction and provide a smooth pedal turn every time you clip in. It’s compatible with 89. 5 and 93mm-wide shells with a 41mm internal diameter. This bottom bracket pairs with MTB 24mm Hollowtech cranksets and will fit frames with the BB86, BB91, and BB92 bottom bracket standards.