Origin8 Revolvr DUB Outboard ENG Bottom Bracket 68/73mm DUB

Forged and CNC machined AL6061 thread-in cups for a superior fit and noise-free operation. Low-friction dual seals protect the bearings from harmful contaminants. Sealed premium bearings are serviceable. Designed for installing SRAM DUB 28.99mm spindle cranks into BSA threaded frames