19-0173 - 51 Tooth Splined Rear Sprocket

51 tooth splined engine rear sprocket is nickel plated. WR-KR-XR sprockets have a .350 inch offset from the center of the spline to the center of the tooth profile. This is 8 tooth spline and 9.9mm at the widest point on spline. V-Twin's KR-XL-WR sprockets can be used with 530 wide chains. *NOTE: 530 chain sprockets has splines to fit WR-XR-KR quick change hub. *NOTE: WR and JD splines do not interchange.