... 4/2,5000 kms running time Motorcycle sprocket chain wheel feature:1\high quality steel ... quenching, twice abrasive resistance as much as common sprocket;hardness5\OEM offered, only you offer the technical ... gain ISO9001:2008 QULITY MANAGEMENT CERTIFICATE SPECIFICATIONRear sprocket 30T/34T/35T/36T/37T/38T/39T40T/ ... ,AXM,CY150,OLD,JUPITERMA,NINJAR,C70,WAVE125,BAJAJ,XRM/W110,BARAKO,C100,YLZGF,B120,AURA, ...