SRAM DUB Wide Italian Bottom Bracket - Italian 70mm Road Black. 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.

Designed for use with SRAM Wide Cranksets

Gutter Seal Technology™ drastically improves sealing against the elements

Sealed cartridge bearings

One oversized spindle to work across every bottom bracket standard