The SRAM DUB Pressfit 30 MTB Wide Bottom Bracket is designed to connect your crankarms efficiently while ensuring smooth power transfer to your drivetrain. The DUB spindle is a key feature, offering a single oversized spindle that fits all bottom bracket specifications. This design enhances crankarm compatibility and provides better protection against the elements, ensuring long-lasting performance. With the SRAM DUB Pressfit 30 MTB Wide Bottom Bracket, you get a stronger, smoother, and simpler ride. Features One oversized spindle compatible with all bottom bracket specifications Easy to install PressFit cups for reduced weight Sealed cartridge bearings available in stainless and ceramic versions Specifications BB-frame interface: PF30 (83mm) Crank-BB interface: DUB Bearing type: Standard Spindle diameter: DUB Spindle length: n/a Chainline: n/a Support E-type FD: n/a Cup material: Aluminum