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Reinvented to ride even harder, the second generation of the bestselling 509 Altitude series unleashes a whole new animal. Leading the charge is the 509 Altitude 2.0 Carbon Fiber Helmet with a new hand lay-up carbon composite construction t...
Reviews
4.7
57 ratings
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This helmet is incredibly light and has great features. It also looks amazing!!
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David · February 3, 2026
So happy with the helmet paired with the sinister goggles was an excellent choice, the attitude that the helmet gives off is more than ideal, can’t even tell it’s on your head it’s so light and gives you 45% more maneuverability than your regular helmet and perfect fit
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Bradley · December 16, 2025
Protection and Comfort – Worth Every Penny!
I’ve been using the Altitude 2. 0 Carbon Fiber Helmet for a few months now, and it’s easily one of the best helmets I’ve owned. The carbon fiber construction makes it incredibly strong while staying impressively lightweight, you really notice the difference on longer rides. The fit and finish are top-notch. The padding inside is plush but breathable, and the adjustable strap system ensures a snug, secure fit without any pressure points. Ventilation is excellent, I also appreciate the aerodynamic design and how quiet it feels at speed. From a safety standpoint, it inspires real confidence. The carbon shell feels rock-solid, and the overall build quality is premium. Plus, it just looks fantastic, sleek, modern, and clearly well-engineered. If you’re serious about performance and protection, the Altitude 2. 0 Carbon Fiber Helmet is a smart investment. It delivers the perfect balance of comfort, style, and safety. Highly recommended!