motorcycle chains 420 1) material:40MN 2) pitch:12.7mm 3) plate thickness: ... (9.525-50.8mm pitches)2)motorcycle chains :415,415H,420,420H,428,428H,520,520H,6303)short pitch conveyor roller ... -1,SA-2,SK-A,SK-24)double pitch transmissions v& conveyor chains :2040,2042,2050,2052,2060,2062,2080,2082 ... .169.422.215226.629.765063019.0511.9112.5724182.43537800 40Mn 420 motorcycle drive chains