... ISO9001 4)long lasting working life time 5)competitive price motorcycle Sprocket and chain Main informations about our production:SpecificationsRear sprocket ... steel(SAE Q345B) ect.Surface finishingSandblasting, Dull polish, galvanization, Painting,with the circle line in the surface or as your requirement ... ,GARELLIESTR 10R,JUKI DRIB, SMASH 110 ,Otherwe can produce motorcycle sprocket as your samples