SRAM BB Dub English / BSA MTB Cannondale AI

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, SRAM have 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. Forward thinking and backwards compatible DUB BB/Crank technology is the workhorse without restraint. Designed for the most discerning pros. For the first time ever, bikes will have a uniform approach to bottom bracket fitment BB-frame interface: English/BSA 73mm Crank-BB interface: DUB Bearing type: Standard Spindle diameter: DUB