The Bianchi sports chassis is a two-litre, having an engine of 72 mm. and 120 mm. bore and stroke respectively. It has overhead valves, forced lubrication, a four-speed gear box, with right-hand change, a single Plate dry disc clutch, spiral bevel gear in the back axle, and internal expanding brakes to all four wheels. The special sports chassis is equipped with Rudge Whitworth wire wheels, a specially tuned engine, and Vshaped radiator ; it costs £500.