... 5. Four side riveting Name: 40Mn 420 motorcycle chain and Q235 sprocket sets Chain MarkPlate: 40MnPin: 30 Cr ... with greasePackaging: OEM offered, polybag, inner color box and carton(43.5cm*23cm*12cm) 25pcs per carton, Gw ... Material: 1045 1023Heat treatmentSurface: zinc, nickel, chromium, Blast sanding, electrophoresisPackaging: polybag and carton or your own packagingSprocket kit Carton: 43cm ...