In '96 it won that event outright in Las Vegas. The X-4 was built with minimum investment to test its general configuration and proportions.
Many minor features help to make it as car-like and convenient as possible.
The goals of the overall packaging were to allow room for an adult, child and two grocery bags, to make it narrow enough to go through a standard door, to be tall enough for confidenzt riding in heavy traffic and to keep the shape streamlined . The major technical innovation also tested is the frame and suspension made of continuous fiber composite parts providing many functions. By incorporating suspension in the frame members the number of parts was almost unaffected, and the total weight was actually reduced since less strength is needed to withstand impacts. Much thought went into the suspension geometry and frequencies, and the test riders have all found the ride amazingly comfortable, even when going fast over a speed bump. The right hand grip has a lever connected to both front brakes.