Thanks to its compact SOHC (single overhead camshaft) engine delivering explosive but controllable power it is the weapon of choice for our Factory Teams around the world. Championship winning bikes like this one. 2017 KTM 450 SX-F Factory Edition WE DON'T JUST BUILD REPLICAS We build Factory Editions. Motorcycles Motocross DX514473040679906701158 DX1 . Experts will notice its revolutionary WP AER 48 forks the anodized triple clamps and sprocket its upgraded Akrapovic muffler the orange frame or the D.I.D DirtStar rims. Or it could be you. Is it Ryan Dungey? Possibly. the rest will only see a blur blasting past...