... ISO9001 4)long lasting working life time 5)competitive price motorcycle Sprocket and chain Main informations about our production:SpecificationsRear ... finishingSandblasting, Dull polish, galvanization, Painting,with the circle line in the surface or as your requirement.Heat treatmentHigh frequency quenching ... GARELLIESTR 10R,JUKI DRIB, SMASH 110 ,Otherwe can produce motorcycle sprocket as your samples