SRAM DUB BB30 BOTTOM BRACKET 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, we’ve 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. SPECIFICATIONS Bottom Bracket Frame Interface BB30, BB30A Crank Bottom Bracket Interface DUB Type (Bearing) Standard Spindle Diameter DUB Materials (Cups) Machined Aluminium FEATURES One oversized spindle to work across every bottom bracket standard Gutter Seal Technology™ drastically improves sealing against the elements Significantly lighter than GXP® system Sealed cartridge bearings ISO 4210 compliant.
