4 G's is a lot of dough to scrape up for something that lets you enjoy the great outdoors with nary having to move a human body part to ride it. I don't know about you, but I don't seek riding machines that have you leaning back in a somewhat straight body position, with your body leading the way in case an accident happens. YIKES!!
Peruse their website and make up your own mind at http://www.yikebike.com/
Editor's Note: This product looks like an electric version of the Gaus Wheel concept (no relation), another riding device I mentioned in my August 2009 blog. Except this one has the addition of a seat and handles