Ultralight Rear Sprocket Renthal Rear Ultralight Sprockets: Manufactured to extremely tight tolerances from a special material developed to withstand the stress of Supercross, Motocross and Enduro. 7075 T6 aluminum alloy rear chainwheels are 66% lighter than steel, yet incredibly durable. Advanced tooth profile, concentricity and accuracy of fit provide maximum power transfer and long-life. Combination of a very high strength base material and an exceptionally hard-wearing surface result in significantly increased chainwheel life. Self cleaning mud grooves help prevent dirt build-up.
_________________________________________________________________________________________________________________________________________________ FITMENT CHART

1999	Kawasaki	KDX220R
2001	Kawasaki	KDX220R
2007	Kawasaki	KLX250S
2012	Kawasaki	KLX250S
2013	Kawasaki	KLX250S
2003	Kawasaki	KLX300R
1996	Kawasaki	KLX650
1987	Kawasaki	KX125
1990	Kawasaki	KX125
1994	Kawasaki	KX125
1999	Kawasaki	KX125
2001	Kawasaki	KX125
1999	Kawasaki	KX250
2004	Kawasaki	KX250F
2009	Kawasaki	KX250F
2010	Kawasaki	KX250F
2013	Kawasaki	KX250F
2008	Kawasaki	KX450F
2013	Kawasaki	KX450F
1991	Kawasaki	KX500