View Here : 4 Wheel Bicycle Car
4-Wheel Bike gyro-outlaw 3-Axis Extreme Mobility Pictured is a Tribrid version, with pedal, electric and gas, differential drive propulsions. Gyro Outlaw; 1-Seat, 3axis extreme mobility, pitches, rolls and heaves *, with 7-speed pedal, electric and/or gas propulsions
A four-wheel vehicle cannot be a “bicycle”, which by definition has two or three wheels. However, four-wheel pedal vehicle is a “human powered vehicle” with the operator having all the rights and duties of other drivers on the roadways.