SRAM DUB BB30 Bottom Bracket - BB30 73mm MTB Boost 55mm Chainline Black MFPN=1-LED-31R-V204 Includes steel rotor bolts

Includes steel rotor bolts

HS10 Yellow

Code-like heavy-duty power

Post mount brake: minimum 180mm rotor with 210mm maximum rotor size

SRAM DUB BB30 Bottom Bracket - BB30 73mm MTB Boost 55mm Chainline Black MFPN=1-LED-31R-V204 Includes steel rotor boltsSRAM 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