Every person riding a bicycle shall be responsible for providing and using equipment as provided herein:
1. Lamps Required. Every bicycle when in use at nighttime shall be equipped with a lamp on the front emitting a white light visible from a distance of at least 300 feet to the front and with a lamp on the rear exhibiting a red light visible from a distance of 300 feet to the rear, except that a red reflector on the rear, of a type that is visible from all distances from 50 feet to 300 feet to the rear when directly in front of lawful upper beams of headlamps on a motor vehicle, may be used in lieu of a rear light.
(Code of Iowa, Sec. 321.397)
2. Brakes Required. Every bicycle shall be equipped with a brake that will enable the operator to make the braked wheel skid on dry, level, clean pavement.
(Code of Iowa, Sec. 321.236[10])