The SRAM DUB bottom bracket series has one simple job: connect your crankarms and protect the smooth, long-lasting delivery of power to your drivetrain. To allow for that singular focus, we engineered the DUB spindle to be the one true unifying component. An 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. An oversized spindle to work across every bottom bracket standard. Greater bearing durability. Easy installation. Internal threaded cups for an integrated look. Frame width: 68 mm Frame diameter: T47. Selection guide. Check out this handy table to quickly determine the correct bottom bracket per frame type and link directly to the correct item in Accentry. Sram Article number: 727783 EAN code: 710845871016 Supplier number: 00.6418.033.002 Retail packaging: Yes