The new SRAM DUB™ bottom bracket series has a simple job—connect your crankarms and protect the smooth, long-lasting application of power to your drivetrain. To allow that singular focus, we’ve engineered the DUB™ spindle to be the one true unifying component. One oversized spindle to work across every bottom bracket standard. For better crankarm compatibility. For better protection from the elements. For longer-lasting performance. To be stronger, smoother, simpler. Now, back to the ride. THINGS TO REMEMBER• One oversized spindle to work across every bottom bracket standard • Gutter Seal Technology™ drastically improves sealing against the elements • Significantly lighter than GXP® system FEATURES Gutter Seal Technology™ Sealed cartridge bearings ISO 4210 compliant. BB-frame interface: BSA Threaded Crank-BB interface: DUB Spindle diameter: DUB Cup material: Aluminium DUB is super flexible standard for your frame and drivetrain choice. With the onset of T-Type SRAM now has a specific 55mm Bottom Bracket to use with your new Transmission groupset. If you are unsure which BB is right for you just ask! To summarise the two most popular choices: BSA 68/73mm 55mm Chainline - T-Type Transmission - BB8015005 BSA 68/73mm 52mm Chainline - Non-T-Type Eagle 52mm chainline or 'Road Wide' - BBDUB5000