SRAM DUB BB30 Bottom Bracket - BB30, 83mm, MTB, Cannondale Ai, Black 9-Speed Shell: Bimat PP

Shell: Bimat PP

This means that threads are always perfectly aligned

The waterproof fabric must allow moisture vapor to pass through it

An anatomic cuff with lower rear support that offers a better fit and more comfort to women’s calves

Focus cuff boosts heel hold by hugging the ankle

SRAM DUB BB30 Bottom Bracket - BB30, 83mm, MTB, Cannondale Ai, Black 9-Speed Shell: Bimat PPThe 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