... life time 5)competitive price motorcycle Sprocket and chain Main informations about our production:SpecificationsRear sprocket: 34T/35T/36T/37T/38T/39T ... /40T/41T/42T/43T/44T/445T etc.Front sprocket: 13T/14T/15T/16T/17T etc415,420,428,428H,520 ... ,GARELLIESTR 10R,JUKI DRIB, SMASH 110 ,Otherwe can produce motorcycle sprocket as your samples motorcycle ...