1.Motorcycle sprocket for South America market 2.8 years experience ... /35T/36T/37T/38T/39T40T/41T/42T/43T etc.Front sprocket: 13T/14T/15T/16T/17T etc.Chain : 415, ... 420,428,428H,520 etcMain Model:Model of sprocket: AX100, JUPITER Z, JUPITER MX, BIZ100, BIZ125, BAJAJ, ... (415,420,428,428H,520,530 or others )Tooth:_____________ (front:13T--17T; rear :34T---57T )Material:____________ (Q235 steel ...