This guy is showing off until he dumps his bike and gets a pretty bad leg injury. OUCH!
Some chick gets her own foot stuck in the bike spokes and takes a tumble.
This is one way to knock out all your teeth and destroy your family jewels!
If a mountain biker crashes in the woods does it make a sound?
This poor guy tumbles down a steep mountain side after his buddies tell him to go ahead and try crossing on your bike.
This woman was run over during a race. The 300lb bike must have felt great.
Now thats what you call a dumbass on a bike.
He took the corner a little to fast.
A great compilation of the best bike fails from the web.