BB SET OR8 REVOLVR BSA ENG TO BB30 WIDE/BB386 OUTBOARD SB BK

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