Helmets are good for other things too.
That splinter looks like it hurts!
3...2...1...Blast Off! I think he took the corner a little too fast.
Make sure you fill your tank next time you plan on getting chased by the...
One little tree and this dirt biker can't avoid it.
A dirtbiker's bike cam catches POV footage of him botching a superman seat...
Two dirt bikers come around a corner and smash right into each other.
Unless you want to get knocked out.
Showing off can backfire sometimes.
Didn't your parents teach you to look both ways before crossing the road.