This looks like a variation of the Tweel: http://en.wikipedia.org/wiki/Tweel http://en.wikipedia.org/wiki/Tweel It's drawbacks are noise and heat, this one loo

This looks like a variation of the Tweel: http://en.wikipedia.org/wiki/Tweel http://en.wikipedia.org/wiki/Tweel It's drawbacks are noise and heat, this one looks like it at least has the noise problem. At high speeds it probably has the heat problem as well.