Motorcycles Motocross DX514473040679906701158 DX1 . 2017 KTM 50 SX Mini 2017 KTM 50 SX MINI the PERFECT LAUNCHPAD INTO the MX WORLD A real KTM for young crossers from the age of about 4 to 10 and a height of up to approximately 51 inches (1.3 m). A real motorcycle with high quality components that's child's play to control and whose engine excels with linear power development and a beginner-friendly automatic clutch...