SRAM DUB BB30 Bottom Bracket - BB30 73mm MTB Boost 55mm Chainline Black weight-36g Two bolt steerer clamp

Two bolt steerer clamp

Carbon Fiber Finish

Approximate weight: 251g (Size 155mm)

} Ergolux shape offers more clearance and less pressure for more freedom

SRAM DUB BB30 Bottom Bracket - BB30 73mm MTB Boost 55mm Chainline Black weight-36g Two bolt steerer clampSRAM DUB BB30 Bottom Bracket BB30 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 improves