ANTONY POTTIER - CONCRETE REHAB 

It's a flat setup (4wheels each skate) and he has designed his own frame, FLAT frame, which is for sale, skating bigger wheels. If you like bowls, bigger bullet profile wheels are great. It's less stable than smaller square profile wheels but you can even skate over cobblestones. There's terms called big wheel blading, powerblading.. if you look for frames and wheels like this.