Zonasyrn Bike Helmet - with LED Turn Signals (Smart App Programming) - Adult, Youth, City, Commuter, and E-Bike Helmet (58-61 cm)

Zonasyrn Bike Helmet - with LED Turn Signals (Smart App Programming) - Adult, Youth, City, Commuter, and E-Bike Helmet (58-61 cm)

ADVANCED SAFETY CONSTRUCTION: Adult bike helmet feature a durable PC shell + EPS cushioning for superior shock and impact absorption, and are certified to CPSC and ASTM safety standards for protection during high-intensity riding. Rechargeable LED Display: This bike helmet with turn signals features a Type-C rechargeable rear LED display with over 100 LED patterns (animation, text, warnings, etc.). Customizable graphics and text, with over 12 hours of continuous use, allow you to ride safely and enjoy the fun of cycling even on dark roads. Optimized airflow for all-day comfort: Strategically designed vents maximize airflow (8 vents) to keep your head cool and dry even on hot summer rides, and the lightweight design ensures long rides without neck fatigue (helmet weighs 368g). ADJUSTABLE UNIVERSAL HELMET: This mountain bike helmet features a sophisticated dial system and adjustable chin strap, allowing for a custom fit for both men and women, and comfortably fits head sizes from 58cm to 61cm (22.8-24in). Multi-scenario versatility: suitable for mountain biking, road biking, e-bike commuting and more. Sturdy yet lightweight design combines safety and flexibility, making it ideal for thrill seekers and everyday riders alike.