The SRAM DUB bottom bracket series has a simple job- to connect crankarms and protect the smooth, long-lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility.Integrated adjusterGutter Seal Technology drastically improves sealing against the elementsSealed cartridge bearingsOne oversized spindle to work across every bottom bracket standardSignificantly lighter than GXP systemItem SpecificationsBB Shell Width (mm)68BB Shell Width (mm)73BB/Frame InterfacePF30Bottom Bracket Shell I.D.46Defined ColorBlackSpindle Interface TypeSRAM DUB SRAM DUB Non-Threaded Bottom Bracket Bottom Brackets UPC: 710845813740