The Aerorider Sport available from http://www.aerorider.com/en/sunrider.html does not list a price, but one would have to imagine it is pretty high. It features a composite structure, hydraulic brakes, a cycle computer, a 48 volt electric assist, vents, battery monitors and lights. You need to contact them for the price though. They also have a concept version shown on their website. It appears to have a full enclosure with a windshield wiper and NACA ducts on the side.