ORIGIN 8 REVOLVR PF30/BB386 TO BB30/BB386 THREAD TOGETHER SB BLACK 39T 6mm / 1/4` thick BMX

6mm / 1/4` thick BMX sprocket

All-around performance in mixed weather conditions

Full hydraulic single speed disc brake system for road and CX

Reusable plastic container with locking lid

ORIGIN 8 REVOLVR PF30/BB386 TO BB30/BB386 THREAD TOGETHER SB BLACK 39T 6mm / 1/4` thick BMXThread together bottom brackets provide a secure and stable shell interface for smoother operation and extended bearing life Hybrid AL6061 Nylon fiber cups for a superior fit and noise free operation Low friction dual seals protect the bearings from harmful contaminants Sealed premium bearings are both serviceable and replaceable Designed for installing BB30 Wide or BB386 30mm spindle cranks into PF30 or BB386 frames Note: Spindle length must be 104mm