509 Altitude 2.0 Helmet -Racing Red

509 US
$280.46 - $339.95
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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.


  • Hand Lay-Up Fiberglass Composite Construction for Stronger, Lighterweight, and Better Fit Construction
  • DOT/ECE Certified in USA (ECE Available in 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, Removable for Great Airflow
  • Weight: As Low as 1200 Grams for DOT/ECE
  • UPC:
  • Manufacturer Part No: F01009400-104