Which cycling helmets offer the best ventilation?
This page compares 2 cycling helmets with verified specifications and prices. Top options include Giro Helios Spherical Road Helmet, KASK Protone Icon Helmet. Prices range from £222 to £296. All data is sourced from manufacturer documentation and specialist retailers.
| Product ⇅ | Price ⇅ | Weight (grams) ⇅ | Ventilation (count) ⇅ | Certification ⇅ | Adjustable Fit ⇅ | Retention System ⇅ | Aerodynamic Design ⇅ |
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Giro Helios Spherical Road Helmet
US
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£295.86 ≈ | 275.9g for medium | 15 Wind Tunnel vents with internal channeling | — | ✓ | Roc Loc 5 Air fit system | ✓ |
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The Giro Helios Spherical is a lightweight road and gravel helmet with MIPS Spherical protection, dual-density EPS liners, internal airflow channels, and a low-profile aerodynamic shape. Its adjustable Roc Loc 5 Air fit system and broad size range suit riders seeking comfort, ventilation, and rotational-impact protection. ★ Ideal forIt suits riders prioritizing ventilation because it has 15 Wind Tunnel vents, internal channeling, and a Roc Loc 5 Air system that allows airflow over the head. |
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KASK Protone Icon Helmet
US
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£221.90 ≈ | 260 g | 26 large vents with internal airflow channels | CPSC 1203 | ✓ | OCTOFIT+ retention system | ✓ |
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The KASK Protone Icon is a lightweight road cycling helmet designed to balance strong ventilation, aerodynamic efficiency, comfort, and protection. Its OCTOFIT+ system and vertical neck stabilizer provide a secure, customizable fit for road racers, endurance riders, and everyday cyclists. ★ Ideal forIt suits cyclists seeking the best ventilation because it has 26 large vents and internal airflow channels designed to move air across the head and out through the rear openings.
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