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.

2013	Husqvarna	CR125
2011	Husqvarna	TE310
2012	Husqvarna	TE310
2013	Husqvarna	TXC250R
2013	Husqvarna	TXC310R
2013	Husqvarna	WR125
2013	Husqvarna	WR250
2009	Husqvarna	WR300
2010	Husqvarna	WR300
2011	Husqvarna	WR300
2012	Husqvarna	WR300
2013	Husqvarna	WR300
2011	Husqvarna	TXC449
2011	Husqvarna	TXC511
2012	Husqvarna	TXC511
2013	Husqvarna	TC449
2011	Husqvarna	TE449
2013	Husqvarna	TE449
2013	Husqvarna	TC250R
2013	Husqvarna	TE310R