SRAM, DUB British 73mm, External Cup BB, British, 73mm, 28.99mm

DUB™ technology features a better engineered bottom bracket and a new spindle design for a more uniform approach to bottom bracket fitment, better sealing against contamination, and a new measure of durability.
SRAM DUB 68/73mm BSA.
BB-DUB-BSA-A1.