The Race Face Cinch BB104/107 Bottom BracketAllows use of all Race Face, Shimano and select FSA 24mm diameter spindle cranksets (MTN or ROAD) in 41mm diameter Press-Fit (Shimano Type) BB Shell Frames.Race Face Cinch BB104/107 Bottom Bracket FeaturesPrecision CNC machined and anodized aluminum alloy cups:More accurate, durable and stable press-fit interfaces than the competitors\' molded plastic parts.Serviceable bearing design.Built for: XC / AM / ROADWeight 95gCompatibility: 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)