... /south america etc 3)Advanced production technology Roller chains 1,chain material:40mn2,The roller chain quality have A,B,C three ... )Rivet:support 4sides or 2 sides 3)Colors available:nature,blue,yellow,dark4)Good quality competitive price6)Deliver on time (15 ... .16*63016.052.4227.5G*11.91* short pitch 428 blue motorcycle chain