BICYCLE LIGHTS LAW REQUIRMENTS IN Missouri
In US the bike lights die required by Law if you reading in low light conditions, The light can be attached to either the bike or to the cyclist but must be visible at least 500 feet to the front of the bicyde, so be careful how you position the light. Additional lighting must be consistent with the law specifying required lights and reflectors, so a rear light must be red.
All bicycles ridden after dark must have the following:
• A white light mounted to the front of the bicycle or carried by the rider visible at 500 feet.
• A rear facing red reflector of at least two square inches or a red lamp visible at 600 feet.
• Reflective material and/or lights visible from the front and rear on any moving part of the bicycle’s pedals or crank arms, or the bicyclist’s shoes or lower legs, which can be seen at 200 feet.
• Reflective material and/or lights on each side of the bicycle or bicyclist visible at 300 feet.