MIYATA ROLLER BELT DRIVE REAR SPROCKET 90mm DIAMETER SPECIAL PROJECT E BIKE ETC
MIYATA ROLLER BELT DRIVE 90mm ALLOY REAR SPROCKET. WE DO NOT HAVE ANY INFO ON THIS SPROCKET, APART FROM THAT IT’S DESIGNED FOR A BELT DRIVE BICYCLE. SPROCKET CONSTRUCTION SEEMS TO BE ALLOY WITH STEEL CENTRE.