The SRAM DUB bottom bracket series has a simple job— to connect crankarms and protect the smooth, long-lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility

*Gutter Seal Technology™ drastically improves sealing against the elements
*Sealed cartridge bearings
*One oversized spindle to work across every bottom bracket standard
*Significantly lighter than GXP system