... MOQ 4. competitive price 5. factory direct sale 428 Motorcycle Roller Chain 1.material:40MN/A3 2.pitch:12.7mm 3.plate ... produce as your sample or drawingMain products as the following1)roller chains: A series(12.7-63.5mm pitches),B ... 420,420H,428,428H,520,520H,6303)short pitch conveyor roller chain attachments:A-1,A-2.K-1,K-2, ... .422.215226.629.765063019.0511.9112.5724182.43537800 Motorcycle Roller Chain