2011 KTM 85 SX, The 85 SX is an unbeaten number in its class. It features a class leading engine with 6 speed gearbox, hydraulic clutch and exhaust control. Also because of the solid chassis with a lightweight chrome-moly steel frame, new brake discs and the high-end WP suspension components with a renewed 43mm WP front fork, which can handle the toughest tracks.