Unlike a four wheeled vehicle where handling (over/understeer) is controlled with springs, and roll stabilizer bars to adjust front to rear weight transfer during cornering, in a three wheeled vehicle with the pair of wheels at the front, all weight transfer occurs there. Handling must be optimized through the front to rear selection of tires, rim widths, and tire pressures. During development a wide range of tire combinations were evaluated both on the road and at a local road racing course, Waterford Hills. This included both motorcycle and passenger car tires.
 

Motorcycle tires are designed to rely on camber, or leaning into the curve, to develop cornering power. To get optimum handling it was immediately obvious that the rear motorcycle tire needed to be replaced with a passenger car type tire.


Development     Performance     Assembly