The Shimano BB-MT800 is a premium press-fit bottom bracket designed for frames with a BB92 (89.5-92mm) bottom bracket shell. It is fully compatible with Shimano’s 24mm Hollowtech II MTB cranksets, delivering smooth and efficient pedaling performance for the likes of XC to enduro.

Built with durable sealed bearings, the BB-MT80 is highly reistant dirt and water ingress, ensuring reliable, long lasting pedalling even in most challenging trail conditions. 
 
Key Features:
Smooth, sealed bearings for long-lasting performance
Optimized for mountain bike use and reliability
Easy installation following Shimano’s official guidelines
 
Frame Compatiblity requirements (BB89.5-92):
 
89.5-92mm Shell width 
41mm inner diamater shell