Short answer: it depends where you ride, and on how much light the visor lets through. Most countries don’t ban “iridium” or “mirrored” as a style — they regulate light transmission. A visor that blocks too much light fails the light-transmission requirement, whatever its finish — in the UK that makes it not legal for road use, day or night.
The number that actually matters: VLT
VLT (visible light transmission) is the percentage of light a visor lets through. A clear visor is typically around 80–90% VLT. A dark smoke or heavily mirrored visor can drop to 20% or less. Regulations are generally written around this figure rather than the colour or coating.
- Clear / very light tints — high VLT, generally fine day or night.
- Light smoke, light iridium — reduced light transmission; in the UK, not legal for road use unless the specific visor carries the required approval marking.
- Dark smoke, heavy mirror/iridium — transmit too little light to be legal for road use in the UK, day or night. Track and off-road only.
Why “road legal” is not a single answer
Approval marks differ by region (for example ECE marking in Europe versus DOT in the United States), and enforcement varies again at national or state level. A visor sold freely in one country may not meet another’s requirements for night riding. Rules also change. So rather than claim a blanket answer, we label our tints by intended use and ask you to confirm what applies where you ride.
This is general guidance, not legal advice — check your local rules before riding with a dark or mirrored visor on the road.
The practical setup most riders land on
Riders who want a dark visor in daylight and safe vision at night usually pick one of two routes:
- Two visors — a clear one for the road and a dark or iridium one for track days and off-road riding, swapped as needed. Cheapest and most flexible.
- A photochromic visor — one visor that darkens in bright light and clears when it’s dull, so you’re not carrying a spare. Read our photochromic visors if you’d rather not swap.
Night riding
This is the one to take seriously. A dark or heavily mirrored visor at night meaningfully reduces what you can see — potholes, unlit hazards, animals. Whatever the local rule says, a dark visor at night is a bad idea. Carry a clear visor or run photochromic.
What we sell, and how we label it
Our visors are aftermarket and unbranded — helmet brand names indicate fitment compatibility only. Because they do not carry verified approval markings, none of our visors are sold as authorised for road use. Mirrored, iridium and dark-smoke finishes transmit too little light to be legal for road use in the UK, day or night — they are track and off-road equipment. For road riding, use a visor carrying the approval marking required where you ride.
Find the visors that fit your exact helmet using the finder on our homepage, or browse replacement visors and anti-fog inserts.