These models included: - A three-wheeled bike for side-by-side riders who each have handlebars and who can pedal together while one steers. - An adult tricycle ... use by seniors could help ...

Imagine being able to pedal until your knee starts burning, then switching over to all-electric mode and coasting your way ...

Electric tricycles (e-trikes) have gained popularity for their ... the rear wheels using a differential axle, and it has six pedal assist settings for customizable speed control.