Look out below! Next time don't walk up a dirt bike path.
Crazy or just plain dumb? Either way, it's pretty impressive and dangerous!
I should have made one of these for my tree house back in the day.
One wipeout causes an even worse crash.
The first fail this dude makes is wearing a speedo. The second fail is when...
This chick gets owned when she tries riding over a small bike ramp.
It has a mind of it's own.
Dude ditches his full size bike for his pocket bike.
This kid goes flying after his buddies jam a stick in his bike.
The stuff this guy can do on a bike is a must see.