Missouri Revised Statutes Title XIX. Motor Vehicles, Watercraft and Aviation § 307.185. Lights and reflectors, when required--standards to be met

(1) A front-facing lamp on the front or carried by the rider which shall emit a white light visible at night under normal atmospheric conditions on a straight, level, unlighted roadway at five hundred feet;

(2) A rear-facing red reflector, at least two square inches in reflective surface area, or a rear-facing red lamp, on the rear which shall be visible at night under normal atmospheric conditions on a straight, level, unlighted roadway when viewed by a vehicle driver under the lower beams of vehicle headlights at six hundred feet;

(3) Reflective material and/or lights on any part of the bicyclist's pedals, crank arms, shoes or lower leg, visible from the front and the rear at night under normal atmospheric conditions on a straight, level, unlighted roadway when viewed by a vehicle driver under the lawful lower beams of vehicle headlights at two hundred feet; and

(4) Reflective material and/or lights visible on each side of the bicycle or bicyclist and visible at night under normal atmospheric conditions on a straight, level, unlighted roadway when viewed by a vehicle driver under the lawful lower beams of vehicle headlights at three hundred feet. The provisions of this subdivision shall not apply to motorized bicycles which comply with National Highway Traffic and Safety Administration regulations relating to reflectors on motorized bicycles.