https://www.redmountaincycle.com/dub-pf89-pf92-press-fit-bb.html
SRAM DUB PF89/PF92 PRESS FIT BOTTOM BRACKET - Red Mountain Cycle, LLC
DUB technology features a better engineered bottom bracket and a new spindle design for a more uniform approach to bottom bracket fitment, better sealing agains
sram dubpress fit