The SRAM DUB bottom bracket series has one simple job: connect your crankarms and protect the smooth, long-lasting power delivery 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. Suitable for T47A An oversized spindle to work across every bottom bracket standard. Greater bearing durability Easy installation Internal threaded cups for an integrated look Suitable for T47A Frame width: 77 mm Frame diameter: T47 Selection guide View this handy table to quickly determine the correct bottom bracket per frame type and link directly to the correct article in Accentry. Sram Article number: 727784 EAN code: 710845871023 Supplier number: 00.6418.033.003 Retail packaging: Yes