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 SPECS: BB Bearing: Steel Crank Spindle Diameter: 28.99mm Interface: DUB Primary Color: Black BB Shell Type: BB107 Cup Diameter: 41mm BB Shell Width: 107mm DUB PressFit (MTB) 107mm SRAM Model ID: BB-DUB-PF-A1
