Extreme Mountain Biking Three

Check out this incredible mountain biker racing through the tight paths of a Brazilian favela.

Watch these guys reach speeds in excess of 170 km/h going down a mountain. One guy completely wipes out!

A very cool first person view of some insane mountain bike tricks.

An awesome first-person view of some insane mountain bike trials.

Treking through a course like this requires some incredible skill and a good dose of courage! Some of those jumps are insane.

This is a video I got from a friend at work of 2 guys going on an EXTREME track! THIS is why I love mountain biking!

These guys are incredible to be doing this without fear!

Awesome first person footage showing mountain bikers riding an insane trail. The song's called Matador, by the Arctic Monkeys.

These guys build up an intense mountain bike trail and test it out for the first time...

A team of pro mountain bikers pull off some pretty insane tricks on this man made track.

Incredible bike trials skills demonstrated on this intense man made track.

Now this biker is just out of his mind! He pulls off insane tricks and doesn't even bother to wear a helmet!

A compilation of some pretty intense mountain bike crashes. I don't think I'll be riding one anytime soon...

Very long freeride/downhill mountain bike track in the Algarve Portugal

This is extremely dangerous and breathtaking.