Angie asked: Does law require the rear bicycle light to be only a reflector or does it have to be a battery operated flashing red light?
At night or In inclement weather, a bicycle must be equipped with a front white light, a rear red reflector and rear red light. Lights may be flashing or steady. Unspecified additional lights may also be used front and rear.
s. 316.2065 – Bicycle Regulations
(7) Every bicycle in use between sunset and sunrise shall be equipped with a lamp on the front exhibiting a white light visible from a distance of at least 500 feet to the front and a lamp and reflector on the rear each exhibiting a red light visible from a distance of 600 feet to the rear. A bicycle or its rider may be equipped with lights or reflectors in addition to those required by this section.
s. 316.217 – When Lighted Lamps are Required
(1) Every vehicle operated upon a highway within this state shall display lighted lamps and illuminating devices …. under the following conditions;
(b) During any rain, smoke, or fog.
s. 316.2397 – Certain Lights Prohibited; Exceptions
(7) Flashing lights are prohibited on vehicles except:
(c) For the lamps authorized under …. s. 316.2065 (Bicycle Regulations) …. which may flash.