Cadomotus Sigma-II Bicycle Helmet: Lightweight, Ventilated and Aerodynamic

The Cadomotus Sigma-II Bicycle Helmet is designed for performance-oriented cyclists and triathletes looking for a compact, lightweight and comfortable helmet with optimum ventilation. Thanks to its robust and aerodynamic design, innovative magnetic visor system and large air channels, the Sigma-II offers a perfect balance between speed, comfort and protection.

Race-Ready Design: Compact, Streamlined and Safe

The Sigma-II follows the latest trends in helmet design, with a robust, aerodynamic geometry that optimizes both speed and protection. The helmet has a compact fit and is so light you almost forget you're wearing it - ideal for long rides and intense races.

Exceptional Ventilation for Maximum Cooling

Ventilation is essential for top performance, especially in hot weather and intense efforts. The Sigma-II is equipped with extra large ventilation channels that ensure a constant airflow. This keeps your head cool and comfortable, even during the toughest climbs or hot triathlon races.

Optional Magnetic Visor: Razor-Sharp Vision and Quick Change

The Sigma-II is compatible with the high-quality Cadomotus SKY and A2 lenses , which are designed for the Alpha-2 and Omega Aero helmets . This means you can add an optimal aerodynamic visor for extra protection and improved vision. Thanks to the invisible magnetic click system, you can easily attach the visor to the helmet or store it in the folded position – perfect for quick transitions in triathlons.

Why choose the Cadomotus Sigma-II Bicycle Helmet?

• Aerodynamic and compact – Robust design that combines speed and safety
• Excellent ventilation – Extra large air channels keep your head cool
• Visor option for optimum performance – Compatible with SKY and A2 lenses
• Lightweight Comfort – Designed for extended wear without discomfort
• UCI, World Skate and ITU approved – Race-ready for any discipline