Token Ninja Trek BB90/BB95 Bottom BracketThis versatile bottom bracket is specifically designed for Trek bike's with a BB90/BB95 oversized (31.7-37.2) frame standard and cranksets which feature a 24mm spindle. Its bearings are housed in an immensely tough alloy shell which is also wrapped in plastic and fibre for unrivalleled stiffness and strength. This fusion of three materials provides the bearings with a solid platform to rest on while also extending their longevity. Rock-Solid Bottom BracketEngineered for precision, Token has gone the extra distance with this version by extending its shell, so the right and left sides lock together. This locks your frame, crankset and bottom bracket in place for unparalleled durability and control with every rotation. Features: Material: Alloy, Plastic and Fibre Use: Road, MTB Frame Compatibility: Trek BB90/BB95 oversized (31.7-37.2) Crankset Compatibility: 24mmBuy Token Components from Chain Reaction Cycles, the World's Largest Online Bike Store.