... 3. pin diameter: 18.80mmDescription of scooter chain sprocket:1. scooter chain sprocket with competitive price 2.durable and ... high quality 3.stable performance 4.OEM of scooter chain sprocket available 5.Prompt delivery Namechain sprocketMaterialsteelModel NumberCG125MOQ500 ... cam,engine,clutch assembly,head cylinder cover,ignition coil,chain box,cable,etcOur exporting products sprcialized in the ...