SRAM DUB PressFit30 Bottom Bracket - PF30 100mm MTB SBC Black Model=AirBooster Pro CO2 Inflator 4 Shaft Type Smooth Tube

4 Shaft Type Smooth Tube Compound Thermoplastic Elastomer Valve Presta Short 32-40mm Valve Core Removable

Bleed port is easily accessed

Lightweight (less than 40g heavier than standard crankset)

Short fender compatibility

80” tires

SRAM DUB PressFit30 Bottom Bracket - PF30 100mm MTB SBC Black Model=AirBooster Pro CO2 Inflator 4 Shaft Type Smooth TubeSRAM DUB PressFit30 Bottom Bracket PF30 100mm MTB SBC 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 spindle