Couronne de transmission arrière Splined - 51 dents - Harley-Davidson RL 1930-1937, KR 1952-1956 & XR 1970-1980

51 tooth splined engine rear sprocket is nickel plated.
WR-KR-XR sprockets have a .350 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.

Fits:
KR 1952-1956
RL 1930-1937
XR 1970-1980

UOM: EA
Country Of Origin: TAIWAN

Accessory Items:
19-0172 - 49 Tooth Splined Rear Sprocket
19-0168 - 45 Tooth Splined Rear Sprocket
45-0107 - 750 XR Rear Wheel Hub Alloy