SRAM DUB PressFit30 Bottom Bracket - PF30 73mm MTB Boost 55mm Chainline BLK BT LE requiring less force per pump

requiring less force per pump stroke than competitor pumps to inflate high-volume tires

go farther

EC44/40 upper/lower lower stack 12mm color red weight 53g

Compatible with all MTB and eMTB drivetrains

SRAM DUB PressFit30 Bottom Bracket - PF30 73mm MTB Boost 55mm Chainline BLK BT LE requiring less force per pumpSRAM DUB PressFit30 Bottom Bracket PF30 73mm MTB Boost 55mm Chainline 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. Designed for use with SRAM Boost cranksets with 55mm chainlines Gutter Seal Technology drastically