GMAX Top Vents for AT-21/AT-21S Helmet

GMAX Top Vents for AT-21/AT-21S Helmet

Refresh your ride with genuine GMAX replacement top vents designed specifically for the AT-21, AT-21S, and AT-21Y helmets. Engineered to restore optimal airflow, these top front vents help keep you cool, focused, and comfortable on every adventure.

Key Features

• Precise Fit: OEM-compatible for AT-21, AT-21S, and AT-21Y models.
• Improved Ventilation: Directs fresh air into the helmet to reduce heat and humidity.
• Durable Construction: Built to withstand trail dust, road debris, and daily use.
• Easy Installation: Quick swap with existing vents—no special tools required.
• Factory Finish: Matches original styling for a seamless look.

Why Choose Genuine GMAX?

Authentic GMAX parts ensure reliable performance, proper sealing, and safety-focused design that aftermarket pieces can’t guarantee.

Ideal For

• Replacing worn or damaged top front vents
• Restoring airflow and comfort on long rides
• Maintaining OEM appearance and value

Revitalize your helmet’s ventilation with GMAX Top Vents—the simple upgrade that brings back cool, confident riding.