Your visor is the single most important interface between you and the road — it determines what you can see and how clearly. Modern visor technology addresses two persistent problems: fogging and changing light conditions. Understanding the options helps you spend money where it actually improves your riding.
Pinlock: The Fog Solution
Pinlock is the most effective anti-fog system available, and it’s worth understanding why it works so well. A Pinlock insert is a second lens that fits inside the main visor, held in place by two adjustable pins. The insert is made from a moisture-absorbing material, and critically, it creates a sealed air gap between itself and the main visor — a double-glazing effect. This air gap prevents the temperature differential that causes fogging. The result is genuinely fog-free vision in conditions where an untreated visor would be completely obscured.
Pinlock inserts come in different grades — Pinlock 30, 70, and 120 — indicating the level of fog resistance. Pinlock 120 (Max Vision) is the highest grade and the standard included with premium helmets like the Shoei RF-1400 and Neotec 3. If your helmet is Pinlock-ready but didn’t come with an insert, fitting one is the single most effective visibility upgrade you can make.
Photochromic Visors: The Light Solution
Photochromic (also called Transitions or reactive) visors darken automatically in response to UV light and clear when the light fades. They solve the problem of changing light conditions — riding from bright sun into a tunnel, or starting a ride in daylight and finishing at dusk — without needing to carry and swap a separate tinted visor. The Klim Krios Pro’s Transitions shield is a standout example.
The limitations: photochromic visors react to UV, so they darken less behind a car windscreen or in conditions with low UV but high glare. The transition takes several seconds — not instant — and the darkest setting is typically not as dark as a dedicated tinted visor. For most riders, the convenience outweighs these limitations significantly. They’re more expensive than standard visors but eliminate the need for a separate tinted visor and the stops to swap it.
Anti-Fog Coatings
Many visors come with a factory anti-fog coating applied directly to the inner surface. These work by spreading condensation into a thin film rather than droplets, reducing visual obstruction. They’re better than nothing but significantly less effective than a Pinlock insert — the coating degrades over time and doesn’t create the air gap that makes Pinlock so effective. Anti-fog coatings are a reasonable feature on a budget helmet; on a helmet you’ll keep for years, a Pinlock insert is the better solution.
Internal Sun Visors
Distinct from photochromic visors, internal sun visors are a separate tinted shield that drops down inside the main clear visor via a slider. Found on touring helmets like the Shoei GT-Air 3, Schuberth C5, and Nolan N100-6, they offer instant tint adjustment without swapping the main visor. The trade-off is a small reduction in eye port size and a fixed tint level. For touring riders who move between sun and shade frequently, they’re genuinely useful — though they add complexity and a little weight.
What You Actually Need
- Everyone: A Pinlock insert. It’s the most effective visibility upgrade and works in all conditions. If your helmet is Pinlock-ready, fit one.
- Variable-light riders: A photochromic visor or an internal sun visor — choose photochromic for automatic operation, internal sun visor for instant manual control.
- Track and bright-condition riders: A dedicated dark tinted visor offers deeper tint than photochromic for consistent bright conditions.
- Budget setups: A factory anti-fog coating plus a clear visor is acceptable, but plan to add Pinlock when budget allows.