Origin8 Revolvr BB386 Outboard ENG Bottom Bracket 68mm BB30 Wide/BB386 30mm

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 BB30 Wide or BB386 30mm spindle cranks into BSA threaded frames*. *For use with 30mm diameter cranks with a spindle length of at least 104mm. Origin8 Nylon composite BB tools are recommended to avoid the possibility of damaging the cups