all freestyle quad riders are pros and really know what they are doing these are some pros quads

real fast mother

BIG QUADS

8 wheel quads

they use this in the army and to get threw muddy places.

flaming quad

Quads are amazing things they can race they can go on the road and go threw water
road bikes are cool as well you ca drive a quad with a full driving licence you do not have to wear a helmet on the road but I would sugest that you would. There are lots of makes there are yamaha,honda,suzuki,rapter and much more. if you want to buy any of these quads just go onto a website like www.quads forsale.com