- 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
- BB SET OR8 REVOLVR BSA ENG TO BB30 WIDE/BB386 OUTBOARD SB BK
Center: ENG
Right: BB30 Wide/BB386 30mm
Overall Length: AL6061
Color: Black
