The 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 specification. For better crankarm compatibility. For better protection from the elements. For longer-lasting performance. To be stronger, smoother, simpler. Now, back to the ride. FEATURES SPECS FEATURES: One oversized spindle to work across every bottom bracket specification. Easy installation PressFit cups for lighter weight Sealed cartridge bearings available in both stainless and ceramic versions DUB™ technology features a better engineered bottom bracket and a new spindle design for a more uniform approach to bottom bracket fitment, better sealing against contamination, and a new measure of durability For use with all SRAM DUB cranks in MTB 68mm and 73mm PF30 shells SPECS: BB Shell Width: 68/73mm Crank Spindle Diameter: 30mm BB Shell Type: BB30 Interface: BB30 BB Bearing: Steel Cup Diameter: 42mm Item Description: Bearing assembly for BB30 SRAM Model ID: BB-BB30-A1
