KTM introduced its XC line of motorcycles to the United States in 2006, where the line quickly became a favorite with dirt bikers and motocross racers. The Austrian manufacturer is the top European bike manufacturer as well as one of the world’s top makers of motorcycles. It is best known for making dirt bikes. Models in the 2010 line-up are the XC 150, XC 200 W, XC 250, XC 250 W, XC 250 FW Champions Edition, XC 300, XC 300 W, XC 400 W, XC 450 W Champions Edition, XC 450 W Six Days, and XC 530 W Six Days. The ""W"" in the model names stands for wide ratio transmission, which is better for desert and Enduro-type riding. Accessories for XC line include adjustable footpegs, assorted styles of aluminum skid plates, assorted graphics kits, tank pad set, assorted colors of spoilers, and higher or lower seats.