The Race Face BB92 bottom bracket works with all  all Race Face, Shimano and select FSA 24mm diameter spindle cranksets - both MTB and road - in 41mm diameter Press-Fit (Shimano Type) BB Shell Frames. Key Features: Precision CNC machined and anodized aluminium alloy cups. More accurate, durable and stable press-fit interfaces than the competitors' moulded plastic parts. Serviceable bearing design. Specification: Built for: XC / AM / ROAD Compatibility: Fits any of the following 41mm diameter Press-Fit BB Shells: BB92 (92mm Asymmetric MTN)BB89.5 (89.5mm Symmetric MTN)BB86.5 (86.5mm Symmetric ROAD)