Check out the review:
I have the version IV (RX7 Matsudo Cobra) looks like nothing much have changed except for the little spolier on top and more expensive.
Just like what the webbike world review said
" So here's my bottom line: If I had to own only a single helmet, it would probably be a Quantum, because of the way it fits my head. But if the Quantum didn't exist, and I could only choose one helmet, it would be the Corsair V. It has a feature set and build quality that should please everyone, and a sterling reputation. I just wish it cost about $500.00 less than it does. "
This will be a better buy (I think) ---- > http://www.webbikeworld.com/r2/motor...lmet/ogk-ff-5/
Or this ---- > http://www.webbikeworld.com/r2/shoei/x-eleven/
Would you guys buy the NEW Arai ??