You won't find more different motocross riders than Kris Keefer and Steve Matthes. One is a highly respected test rider who stays in shape by working out, watching his diet, and riding dirt bikes every day for hours on end. The other is Steve Matthes. For the 2019 Dubya USA World Vet Motocross Championships at Glen Helen, the newly recycled PulpMX Factory Racing rider teamed up with the more seasoned Keefer Testing to take on the rest of the vet racing world.