... : 45#,A3 steel or C45 16Mn 428-42T/14T motorcycle sprocket thickness 6-7mm market: Asia Indonesia,South America. Motorcycle sprocket descriptionsChain415H, 420 ... , 428, 428H, 520, 530Teeth NumberFront sprocket from 10T,11T to 17T etcRear ... white,yellow,blue,white,five color etc pakistan 45# steel CG-125 sprocket