Cub was a Taiwanese brand of economy three-wheeler built in 1982 by the Swi Tong Corporation exclusively for the American market, where it was sold as the Cub Commuter by Convenient Machines, Inc. Aimed at low-cost commuting, it seated two passengers under a fibreglass body on a steel frame chassis, with coil suspension front and rear, rack-and-pinion steering and hydraulic brakes. It was powered by a 400cc, single-cylinder, air-cooled four-stroke…