45 Tooth Splined Rear Sprocket

45 tooth splined rear sprocket is nickel plated for XL and WR rear hubs.
WR-KR-XL sprockets have a .875" offset from the center of the spline to the center of the tooth profile, for 520 chain. 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 520 wide chains. *NOTE: 520 chain sprockets have splines to fit WR-XR-KR quick change hub. *NOTE: WR and JD splines do not interchange.