Smooth, Durable The new SRAM DUB™ bottom bracket series has a simple job; to connect your crankarms and protect the smooth, long-lasting application of power to your drivetrain.

One True Unifying Component To allow that singular focus, SRAM have 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.

• Model ID: BB-DUB-BB30-A1
• One oversized spindle to work across every bottom bracket standard.
• Greater bearing durability
• Easy installation
• PressFit cups for lighter weight
• Gutter Seal Technology™ drastically improves sealing against the elements
• Significantly lighter than GXP® system
• Sealed cartridge bearings

Specifications

• BB-Frame Interface: BB30
• Crank-BB Interface: DUB™
• Bearing Type: Standard
• Spindle Diameter: DUB™