Why on earth would people attempt these stunts without a helmet?
Helmets are good for other things too.
Do flips to get nitro boost. Save gas by making bigger jumps and try to get...
It has a mind of it's own.
Hows that giant mound of dirt taste?
3...2...1...Blast Off! I think he took the corner a little too fast.
The stuff this guy can do on a bike is a must see.
This kid goes flying off a jump on his bike and gets owned hard.
If a mountain biker crashes in the woods does it make a sound?
Pegging chicks with a remote control car while they are riding a bike looks...