KAV Helmets Launches Rhoan: A New Era in Performance Cycling Helmets

Traditional aero helmets force athletes to choose between speed and heat management.

Rhoan changes the equation. Matched within 0.001 CDA of the fastest helmets on the market—equating to about 1 watt at 40 km/h—Rhoan pairs elite aerodynamic performance with a radically cooler ride.

The Problem with Traditional Aero Helmets

For too long, ‘fast’ has come at the expense of rider comfort. Most aerodynamic helmets reduce drag by cutting out vents—causing heat build-up, reduced performance, and even compromised focus when it matters most. Studies show athletes can lose up to 1.5% of performance for every 1°C rise in core body temperature, with steep drop-offs above 39°C. That’s not just discomfort—that’s lost watts.

KAV took a different route.

A Holistic Approach to Speed

The Rhoan matches the CDA numbers of the industry's top aerodynamic helmets—within 0.001, or about 1 watt at 40 km/h—but without the tradeoffs. Instead of focusing on aerodynamics alone, we reimagined every component—materials, structure, and airflow—as part of a single performance system. From our proprietary PolyCarbon Composite™ that dissipates heat faster, to the Air Fit Suspension and HexFlow Rear Exhaust that drive airflow where it matters most, Rhoan is engineered to manage heat, enhance comfort, and deliver speed in the real world.

It’s as fast as anything on the market, and cooler, too—built for cyclists who sprint for the line, push through high-altitude climbs, or grind through 200-mile gravel epics. Speed Matters Everywhere.

Performance-First Innovation

3D Printing: Our proprietary KAV PolyCarbon Composite™ material wicks heat 8x better and cools 2x faster than EPS foam. This helps delay the onset of core temperature spikes that cost real watts in long efforts or hot conditions.

Hex Honeycomb Structure 2™: A new open-cell internal design improves both impact absorption and airflow. Acting as a thermal scaffold, it passively regulates temperature by channeling heat away from the rider’s head.

Air Fit Suspension System: Suspends the helmet off the head, eliminating pressure points and maximizing ventilation. This all-around airflow helps reduce hot spots and maintain a cooler, more stable core temperature throughout your ride.

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HexFlow Rear Exhaust: Engineered to leverage the Venturi effect, HexFlow pulls air through the helmet and out the back—actively removing built-up heat to prevent overheating and thermal fade.

2x Larger Front Vents: Strategically placed lower on the brow to funnel cooling air directly to the forehead, where thermoregulation is most effective. It’s not just about vent size—it's about vent placement that works with your physiology.

Optimized Shell Design: Slimmer profile reduces 3mm from each side compared to our previous model—no excess, just speed.

Custom Fit: Each helmet is made-to-order, tailored to the exact head shape of the rider. A secure, precise fit further enhances airflow performance and rider comfort.

Award-Winning Safety

The Rhoan features our new Hex Honeycomb Structure 2™, which earned a Virginia Tech 5-Star Safety Rating. Its dual-density hexagonal design enhances energy absorption and reduces rotational forces during impact, offering elite protection without added weight.

The Rhoan will be available at the end of April 2025
Get Out There™.