Six-time 250 World Champion Joel Robert could ride his bike faster than anyone in the 250 World Championships, but if he raced it as fast as it would go, it wouldn’t last. The art of motocross, and the reason why we run two long motos, instead of one short one, is to challenge not just the rider’s fitness, but the bike’s preparation. Motocross is about man and machine ? not just man alone. Check out the rear tire air pressure on Robert’s Czechoslovakian twin-pipe CZ.