These guys are somewhat akin to the motorcyclists you see these days doing wheelie tricks on the street everywhere. All that stuff you see in the "Biker Boyz" movies is down right here on the city streets in my town. Guys drive right down the main street, which is full of cars (all day long, basically) doing their wheelie tricks. I've seen guys stand on the rear of the bike while doing a wheelie, stradle the tank with their legs in front of the bike (while doing a wheelie), and come to a stop on their front tire. It's fun to watch, but dangerous. The only time I ever felt a little angry, though, was when a guy on the freeway was doing a wheelie (man, those bikes have CRAZY power). Oh, nope, that's not the only time...there was another time when a guy on the freeway was laying down flat on his bike (facing forward) and his feet were hanging over his brake light. On the street, they're usually accellerating ahead of the cars, so if they get hurt, it's only them. On the freeway, though, I actually start to worry that they're going to "eat it" because then hey're going to pull the whole freeway into an accident.