This is a A-60X34 Sprocket PN: 60X34Main Description As Following : A-60X34 Sprocket P.N: 60X34 Hub Required: XInside Diameter: 2"Outside Diameter: 8.544"Teeth: 34 Crossed From: WSS106034 , , 20006034 , , 20006034 , , 3016-0250 , , 6713-54763 JOHN DAY Found in Section & Models : Chains/ Sprockets/ Pulleys/ Hubs > Sprockets, (Miscellaneous) (UNDEFINED): SEVERAL Associated Items : New Also This is An Aftermarket Product And : Hub Required: X Inside Diameter: 2" Outside Diameter: 8.544" Teeth: 34