Here are a bunch of clips of people crashing hard on Bikes.
Huge bike jump. Will he make it?
Some more bike stunts and bad crashes.
Another bike stunt gone wrong.
Yet another idiot trying a fearsome stunt.
Watch this amazing bike trick. Learn how to knock out your teeth.
This is a pretty nasty Dirt Bike Crash.
This dude does a back flip on his dirtbike and lands face first onto a dozer.
Hey, where did that wall come from?