Freestyle motocross of the riders wrist or lower arm to stop the rider from rotating during the flips, but letting the bike continue to move. Bikes have aftermarket performance pipes that give more power. The bike must have very strong suspension and very high-quality tires. Freestyle motocross Freestyle motocross (also known as FMX) is a variation on the sport of motocross in which motorcycle riders attempt to impress judges with jumps and stunts. The two main types of freestyle events are: Notable freestyle motocross events include Red Bull X-Fighters, NIGHT of the JUMPs, the X Games, Gravity Games, Big-X, Moto-X Freestyle National
Motorcycle racing 750 cc for twins, and must satisfy the FIM homologation requirements. Supersport regulations are much tighter than Superbikes. Supersport machines must remain largely as standard, while engine tuning is possible but tightly regulated. Endurance racing is a category of motorcycle road racing which is meant to test the durability of equipment and endurance of the riders. Teams of multiple riders attempt to cover a large distance in a single event. Teams are given the ability to change riders during the race. Endurance races can be run either to cover a set distance in laps as quickly as possible, or to