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 For use with all SRAM DUB cranks in MTB 73mm PF30 shells.

SRAM DUB PF30 73mm Press Fit BB PF30 Spindle: 28.99mm, Width: 73mm, Diameter: 46mm