ORS 801.150: “Bicycle.”

“Bicycle” means a vehicle that:

      (1) Is designed to be operated on the ground on wheels;

      (2) Has a seat or saddle for use of the rider;

      (3) Is designed to travel with not more than three wheels in contact with the ground;

      (4) Is propelled exclusively by human power;

      (5) Has every wheel more than 14 inches in diameter or two tandem wheels either of which is more than 14 inches in diameter; and

      (6) Is equipped with pedals.