ORIGIN 8 REVOLVR PF30 TO SHIMANO OUTBOARD THREAD TOGETHER SB BLACK 76mm 4-BOLT Heavy duty use freewheel

Heavy duty use freewheel

Specifically designed for use on electric bikes

108mm or longer when used in a 73mm wide shell

Does not include JIS square taper BB

5mm ID bar ends

ORIGIN 8 REVOLVR PF30 TO SHIMANO OUTBOARD THREAD TOGETHER SB BLACK 76mm 4-BOLT Heavy duty use freewheelThread 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 Shimano HTII 24mm or SRAM GXP 22 24mm spindle cranks into PF30 frames without the need for adapters