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KLIM F5 Koroyd Helmet ECE/DOT
The KLIM F5 Koroyd Helmet is engineered for riders who demand uncompromising comfort, advanced protection, and industry-leading ventilation. Built on the proven F5 chassis, this premium KLIM helmet elevates safety and airflow through cutting-edge technologies while maintaining reduced weight and all-day comfort. Certified for both ECE and DOT, the F5 Koroyd is equally suited for off-road performance and on-road use.At the core of its protection is KOROYD® technology, a next-generation energy-absorbing structure designed with a unique tubular geometry. In the event of an impact, KOROYD® cores crush homogeneously, decelerating energy in a controlled manner and significantly reducing peak forces. This is further enhanced by the MIPS® Brain Protection System, a low-friction layer engineered to reduce rotational motion from angled impacts to the head.The helmet features a full KLIM® carbon fiber shell, combined with a dual-density EPS liner to form a hybrid impact protection system that maximizes energy absorption without adding unnecessary mass. With one of the most advanced ventilation systems in the industry—18 intake and 8 exhaust vents—the F5 Koroyd delivers unmatched airflow, keeping riders cool at speed and efficiently exhausting heat when riding slowly or stopped.Designed for optimal fit, superior comfort, and extreme performance, the KLIM F5 Koroyd Helmet stands as one of the safest, most technically advanced helmets available today.




- KLIM F5 Koroyd Helmet with full KLIM® carbon fiber shell for maximum strength and reduced weight
- Hybrid impact protection system combining multiple energy-absorbing technologies
- KOROYD® technology for advanced energy absorption through homogeneous structural crushing
- MIPS® Brain Protection System to reduce rotational forces from angled impacts
- Dual-density EPS liner for optimized impact management
- Extra-large eye port for maximum field of vision (FOV)
- Wind tunnel tested shell design for aerodynamic efficiency and stability
- Fid-Lock® magnetic strap closure for fast, secure, and glove-friendly operation
- Shell structure engineered for maximum strength while remaining lightweight
- Weight: approximately 1420 g (size Large)
- Most ventilated helmet in the industry with 18 intake vents and 8 exhaust vents
- Direct vent EPS design for efficient airflow throughout the helmet interior
- Ventilation system engineered to intake air at speed and exhaust heat at low speeds or when stopped
- One of the safest helmets in the industry with hybrid impact protection architecture
- Neck brace compatible design
- Exceeds ECE safety certification requirements and DOT approved for road use
- Moisture-wicking DRYLEX® comfort liner for long-ride comfort and hygiene
- Focus on fit with three shell sizes and three EPS sizes for precise sizing and optimal comfort
Why ATR SUPERSTORE
- Premium insured and fast shipping
- Large stock availability
- Professional customer service
- Best advice during and after your purchase
- Best WARRANTY and terms
Pass appointment (After opening hours)
You can always come to our store for fitting, explanation and advice, even after opening hours by appointment. This way, you can be sure of the right size and your choice will be explained and tailored to your body.
Why ATR SUPERSTORE
- Premium insured and fast shipping
- Large stock availability
- Professional customer service
- Best advice during and after your purchase
- Best WARRANTY and terms
Pass appointment (After opening hours)
You can always come to our store for fitting, explanation and advice, even after opening hours by appointment. This way, you can be sure of the right size and your choice will be explained and tailored to your body.
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