Built with Fidlock™ ECE Certified
FIT GUARANTEE
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.
*Exchange and refunds only apply to orders placed from Ride509.com.
509 Altitude 2.0 Helmet Scale
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.
509 Helmet Features Key
Hand lay-up fiberglass composite construction for stronger, lighterweight, and better fit construction
ECE certified for Canada and Europe
One piece eye port trim
XS to 4X sizes available in three shells for optimal fit and minimal weight
Upper vents with on/off shutter closure for airflow control
Fidlock® chinstrap strap closure for easy in and out
Go-Pro® mounting capability, improved design
Perfect fit between helmet eyeport and 509 goggles
Pro-Series Breathbox for complete protection, removeable for great air flow