SINGULAR FOCUS. BETTER SOLUTION

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.

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.

SPECIFICATIONS 

BB-frame interface PF30 (73mm)
Crank-BB interface DUB
Bearing type Standard
Spindle diameter DUB
Spindle length n/a
Chainline 55mm
Support E-type FD n/a
Cup material Aluminum