Dealer Comments The 2024 KTM 50 SX FACTORY EDITION is ready to blast into the highly competitive 50cc class with proper KTM FACTORY RACING credentials. It's undeniably READY TO RACE, built around an advanced steel frame, housing a powerful engine, and boasting leading components such as the 35mm WP XACT AER fork, a WP XACT monoshock, and a hydraulic Formula brake system. All this, along with key similarities with the full-sized motocross range, superior levels of quality, and revolutionary height adjustability, makes it the most premium 50cc motocross bike available on the market.