A-50X21 Sprocket PN: 50X21

This is a A-50X21 Sprocket PN: 50X21Main Description As Following : A-50X21 Sprocket P.N: 50X21 Hub Required: XInside Diameter: 2"Outside Diameter: 4.521"Teeth: 21 Crossed From: WSS105021 , , 20005021 , , 20005021 , , 2827-40127 JOHN DAY , 3016-0192 , , 6713-51913 JOHN DAY , 673-S80502100 , , 673S80502100 , 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: 4.521" Teeth: 21