1. You have to keep pumping if you want to get anywhere.
This guys sounds incredibly similar to a real racing motorcycle.
This chick launches like a rocket and ends up with a broken collar bone.
At least the truck driver was nice enough to break his fall with the...
Wow, that was quite an impressive trick...lol
Not only does he botch the stunt but the dirt bike smashes him in the head.
A man spots his missing bike and swoops into action.
It has a mind of it's own.
This guy gets creative with his BMX bike.