Arai Quantum-X Solid Adult Motorcycle Helmet - Diamond Black/Large

The new Arai Quantum-X helmet has been purpose-built for the street, offering a new benchmark in comfort, quiet, stability, and ventilation. Arai has applied the same tireless 24-7 focus devoted to their race helmets to the design and refinement of this helmet, adapting proven concepts to a new purpose.

The Quantum series has always been the "go-to" helmet choice for those with a rounder end of the head shape spectrum. The Quantum-X brings back this popular shape in a feature-rich package.

The round oval shell of the Quantum-X is designed for head shapes with an even balance between length and width. This design provides a secure and comfortable fit. The helmet also features a quick-release lever for the side pod and faceshield, allowing for easy removal and replacement.

To ensure all-season visibility, the Quantum-X is equipped with a clear anti-fog Pinlock insert. This feature helps prevent fogging, allowing for clear views in all weather conditions.

The helmet's ventilation system, which includes QVF and QVR upper ventilation ducts, offers more adjustment and better flow-through performance, keeping the rider cool and comfortable.

The Quantum-X is DOT approved and meets the FMVSS 218 standard, ensuring it meets the necessary safety requirements. Additionally, the ES chin cover increases exhaust from the mouth area while reducing wind noise, further enhancing the rider's comfort.

The Quantum-X is also compatible with the VAS-V Pro Shade system, allowing riders to customize their visual experience and adapt to changing light conditions.

In summary, the Arai Quantum-X is a purpose-built street helmet that offers a new benchmark in comfort, quiet, stability, and ventilation. Its round oval shell design, quick-release features, anti-fog capabilities, and advanced ventilation system make it a top choice for riders seeking a high-quality, feature-rich helmet.

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