SRAM DUB PressFit30 Bottom Bracket - PF30 83mm Road Cannondale Ai Black CheckoutTitle=Schwalbe Nobby Nic Tire - 29 x 2.25 1/1 hub 4 deg six-pawl

1/1 hub 4 deg six-pawl driver and 45 tooth drive ring with 90 points of engagement

air-spring cylinders

The All-New Genius

Removable valve core makes adding sealant easy

The Low-to-the ground stance

SRAM DUB PressFit30 Bottom Bracket - PF30 83mm Road Cannondale Ai Black CheckoutTitle=Schwalbe Nobby Nic Tire - 29 x 2.25 1/1 hub 4 deg six-pawlSRAM DUB PressFit30 Bottom Bracket PF30 83mm Road Cannondale Ai 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. Gutter Seal Technology drastically improves sealing against the elements Sealed cartridge bearings One oversized