You're going to LOVE the fit. Try it on and experience our perfect fit. If you don't love it, send it back in new and unused condition within 30 days for an exchange or full refund*. Risk free.
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We offer Free Shipping on all orders over $99 within the US. During select promotions & holidays we will offer Free Shipping on all orders within the US.
We have a very easy 30-day Return Policy! Please submit a Customer Support Ticket to get a Return Authorization so we can process your return or exchange.
12 Month Warranty
We stand behind our products – the 509 industry leading warranty covers every product we make in a variety of ways.
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Reinvented to ride even harder, the second generation of the bestselling 509 Altitude series unleashes a whole new animal. For those who run at redline, the new 509 Altitude 2.0 Hi-Flow Helmet maximizes airflow with open upper and rear vents plus a 40% larger chinbar intake. Everything else is what you’d expect from one of the world’s bestsellers, including a new hand lay-up fiberglass construction that makes this helmet lighter, stronger, and even more comfortable.
- Hand lay-up fiberglass composite construction
- XS to 4X sizes available in three shells for optimal fit and minimal weight
- Upper vents for optimal airflow
- Go-Pro® mounting capability, improved design
- Fidlock® chinstrap strap closure for easy in and out
- Perfect fit between helmet eyeport and 509 goggles
- Pro-Series Breathbox for complete protection, removable for optimal air flow
- Weight: DOT/ECE 1200 grams