Check out the dramatic action in the 250 and 450 main events from the Detroit Supercross. And watch out for former MotoHead team Arenacross racer Gradie Featherstone in the 250 final! https://youtu.be/jFpu6sNQFmk https://youtu.be/TEo8og8MJ5M https://youtu.be/9t3L8OZm9YE https://youtu.be/LsfdBFghHnI