The SRAM DUB Pressfit MTB Bottom 68-73mm Bottom Bracket is designed to connect your crankarms while ensuring smooth power transfer to your drivetrain. This bottom bracket features the innovative DUB spindle, which is compatible with all bottom bracket standards. This means better crankarm compatibility and enhanced protection from the elements, resulting in a longer-lasting performance. Features One oversized spindle compatible with every bottom bracket standard. Significantly lighter than the PFGXP system. Easy installation by pressing the bearing cups into the frame. ISO 4210 compliant. Specifications BB-frame interface: PressFit (MTB: 89/92mm) Crank-BB interface: DUB Bearing type: Ceramic Spindle diameter: DUB Spindle length: n/a Chainline: n/a Support E-type FD: n/a Cup material: Steel With the SRAM DUB Pressfit MTB Bottom 68-73mm Bottom Bracket, you get a stronger, smoother, and simpler solution for your mountain bike needs. Enjoy the ride with confidence in its durability and performance.