Everyone riding a bicycle or riding as a passenger on a tandem bicycle or other bicycle equipped to carry two or more riders upon any city of Auburn road, alley, sidewalk, recreational trail or park property shall wear a protective helmet designed for bicycle safety that meets or exceeds the safety standards adopted by the United States Consumer Product Safety Commission or set by the American National Standards Institute, or such subsequent nationally recognized standard for bicycle helmet performance as the city may adopt by ordinance. The helmet must be equipped with either a neck strap or chinstrap that shall be fastened securely while the bicycle is in motion. (Ord. 5923 § 1, 2005.)