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![509 Altitude 2.0 Helmet - Black Gum [Limited Edition] 509 Altitude 2.0 Helmet - Black Gum [Limited Edition]](https://cdn11.bigcommerce.com/s-tdkjvabppo/images/stencil/300x300/products/12207/78158/image__56630.1723073631.jpg?c=1)
Reinvented to ride even harder, the second generation of the bestselling 509 Altitude series unleashes a whole new animal. Lighter, stronger, and even more comfortable thanks to a new hand lay-up fiberglass construction, the 509 Altitude 2.0 Helmet excels in any terrain or condition. Includes the Fidlock magnetic strap buckle for easy one-handed operation, plus customizable features like a removable Pro-Series Breathbox to get you through a full season of extremes.