Extreme Downhill Sport By Rollerman Overtaking Motocycle!

Jean Yves Blondeau had the idea of strapping some wheels to himself and going down some steep roads. But maybe some one ask how could he slow his speed, He use his legs to speed down look at the time 1:16 then you will know. 

This sport is one of the most extreme sport in the world, it's really dangerous if he couldn't control his movement and speed.