BMX Freestyle is an extreme sport that combines elements of BMX racing and stunt riding. It involves performing tricks and stunts on a BMX bike in a skatepark or on a street course. BMX Freestyle is a great way to stay active and have fun while challenging
From Wikipedia
BMX, an abbreviation for bicycle motocross or bike motocross, is a cycle sport performed on BMX bikes, either in competitive BMX racing or freestyle BMX, or else in general street or off-road recreation.