The KTM 450 EXC-F rolls into the open class with a renewed appetite for finding the limit. Boasting a class-leading chassis, unflappable suspension, race-proven bodywork, and rider-focussed ergonomics - not to mention one of the winningest 450 cc engines in the class - the KTM 450 EXC-F is ready to launch off the line with the podium firmly in its sights.