Life on the Grind: Episode 3 ft. Preston Mull

The Grindstone Compound is a progressive training environment for serious amateur and pro motocross racers. With the amateur national season drawing closer and the Monster Energy Supercross season in full swing, Grindstone athletes are busy preparing across all fronts of the sport. Preston Mull takes us through a day on the Strikt Yamaha Team while the amateurs contest Mammoth and Loretta Lynn Qualifiers.