Are you a Profesional DiRtBiKeR???
How good of a dirtbiker are you? are you a master when it comes to 75mph down a 6inch thich trail with boulder the size of your head? can you race through a river with currents that could rip you from the seat of your dirtbike?
the world is filled with speed: vehicals, cars, motorized scooters, but can you come over the fear of going 75mph? can you tell who #4 is while whatching the U.S nationals, this quiz is all about dirtbiking, and will even have you thinking
Created by: justin