SRAM DUB BB30 Bottom Bracket - BB30 73mm MTB Boost 55mm Chainline Black Fits Model-Sword 6069 aluminum alloy is stronger

6069 aluminum alloy is stronger than conventional 6061 alloys

Primary Color Black Tire Width 2

fully clean chains before rewaxing

Double or Triple Double Drivetrain Speeds 12 Derailleur Capacity 16 Front Derailleur Clamp Braze-on Front Derailleur Cable Pull Electronic Front Der/Shifter Compatibility Shimano Road Di2 Max Ring (teeth) 54 Front Derailleur Style Traditional

Color Black/Gray Rise 15 Material Carbon Upsweep 5 Defined Color Black Back Sweep (deg) 8 Bar Clamp Diameter (mm) 35

SRAM DUB BB30 Bottom Bracket - BB30 73mm MTB Boost 55mm Chainline Black Fits Model-Sword 6069 aluminum alloy is strongerSRAM 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