Bottom Brackets Spare Parts

Product Information

The SRAM DUB bottom bracket series revolutionizes drivetrain compatibility by introducing a unified spindle standard, simplifying the connection between your crankarms and ensuring consistent power transfer. Instead of disparate bottom bracket types, DUB utilizes an oversized 28.99mm spindle, effectively bridging the gap between 30mm and 24mm designs for enhanced stiffness and weight savings. This particular DUB threaded BSA bottom bracket is designed to integrate seamlessly with English threaded frame shells.

Features

• DUB technology unifies crankarm compatibility across various frame bottom bracket standards.
• Oversized 28.99mm DUB spindle provides a stronger, smoother, and simpler interface.
• Gutter Seal Technology drastically improves sealing to protect against elements, extending bearing life.
• Sealed cartridge bearings ensure smooth, low-friction rotation.

Specs

• Material: Aluminum cups, Steel bearings
• Weight: 76g (BSA)
• Compatibility: DUB cranksets; English (BSA) threaded 68/73mm bottom bracket shells; also available for 100mm shells.