If you’ve ever lifted your visor in cold or rainy weather just to clear the fog, you already know how frustrating—and dangerous—an unclear field of view can be. That’s where the visor Pinlock comes in. Below I’ll explain what a visor Pinlock is, how it prevents fogging, why it matters for rider safety, and which helmets support Pinlock inserts.
What Exactly Is a Pinlock Visor Insert?
A Pinlock insert is a transparent, anti-fog lens that attaches to the inside of your helmet’s face shield. The insert is made from a moisture-absorbing, hydrophilic plastic and sealed with a flexible silicone bead around the edge. This seal locks the insert into place using two small pins on the visor—hence the name Pinlock.
Once installed, the insert forms a dual-layer visor system:
- The outer layer is your regular face shield
- The inner layer is the Pinlock anti-fog lens
Together, these layers create a protective interior barrier that helps keep your vision clear even in cold, humid, or rainy conditions.
How Does a Pinlock Insert Prevent Fogging?
The Pinlock insert prevents fogging using two key mechanisms working together: thermal insulation and moisture absorption.
1. Insulated air pocket that stabilizes temperature
The silicone seal around the Pinlock insert creates a closed air gap between the visor and the insert. This thin layer of trapped air acts as insulation. Because the inner surface of the visor stays warmer and more temperature-stable, your warm breath cannot cool rapidly and turn into condensation.
In simple terms, the air pocket reduces the temperature difference that normally causes fogging. This keeps the visor clear even when the outside temperature drops.
2. A hydrophilic lens surface that absorbs moisture
The Pinlock lens is made from a hydrophilic material that naturally pulls moisture into its structure. Instead of forming visible droplets, humidity is absorbed into the lens like a sponge. Any minor condensation that does appear is dispersed before it can obstruct your vision.
The combination of the insulated air pocket and the moisture-absorbing lens creates a reliable anti-fog system that works in almost any weather.
Which Helmets Support Pinlock Inserts?
Most mid-range and premium helmets today come “Pinlock-ready,” meaning they already have the two mounting pins installed on the visor. Major brands that offer Pinlock-compatible visors include:
- Shoei
- HJC
- AGV
- Arai
- Scorpion
- LS2
Many helmets even include a Pinlock insert in the box. Helmet models typically specify whether they support Pinlock 30, Pinlock 70, or the high-performance Pinlock 120 insert.
Choosing a Pinlock-ready helmet ensures you can easily upgrade to fog-free riding without replacing the entire visor.
Conclusion: Is a Visor Pinlock Worth It?
If you want consistent visibility and safer riding in changing weather, a visor Pinlock is one of the smartest upgrades you can add to your gear. The combination of thermal insulation and moisture absorption provides reliable anti-fog performance that makes every ride more comfortable and secure.
If you’re planning to upgrade your helmet, look for a Pinlock-ready visor and choose a high-quality Pinlock insert. It’s a simple, effective solution that makes a noticeable difference every time you ride.







