The 450 SX is the basis for our successes in the king´s class. It shines with its new frame, superagile chassis and linear performance progression. The 450 SX`s high-quality chassis allows advanced riders to convert the brutal power of the brand’s innovative DOHC four-stroke engine into controllable traction, even on the toughest MX tracks. Although engineered to be totally competitive in stock form, the 450 SX Racing is also the perfect platform to modify in order to meet your specific riding style, ability, and setup preferences.