Watch 2019 AMA Supercross Champion Cooper Webb shakes off the cobwebs on his Factory Red Bull KTM 450SXF in Southern California in preparation for the 2021 Supercross Series. The new season will kick-off in Houston, Texas. Cooper Webb is healthy and eager to get on the starting line to chase another Supercross title with the KTM Factory Racing team. Check out some raw laps we shot at the KTM Supercross Test Track while Cooper shook down his new race bike with teammates Marvin Musquin and Max Vohland. The 2021 Supercross season can’t come soon enough!