SRAM DUB English Bottom Bracket - English/BSA 73mm MTB SuperBoost + Black ModelNumber=K9678 Filing is required for 32t

Filing is required for 32t fitment onto some older Quarq Power meters

Includes pad retention spring

teeth 20t color red

4" compound Addix Speedgrip bead folding type tubeless color black weight 980g

Included in box: Dropper seatpost

SRAM DUB English Bottom Bracket - English/BSA 73mm MTB SuperBoost + Black ModelNumber=K9678 Filing is required for 32tSRAM DUB English Bottom Bracket English BSA 73mm MTB SuperBoost + 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 SuperBoost+ Cranksets Gutter Seal Technology drastically improves sealing against