Reinvented to ride even harder, the second generation of the bestselling 509 Altitude series unleashes a whole new animal. Race-ready, the 509 Altitude 2.0 R-Series Helmet is now lighter, stronger, and even more comfortable thanks to a new hand lay-up fiberglass construction. Versatile and legal for all forms of ISR racing, it sets the pace for performance with race-ready orange, DOT/ECE dual certified safety, and the secure fit of a dual D-ring chin strap.


  • Hand lay-up fiberglass composite construction for stronger, lighterweight, and better fit construction
  • DOT/ECE certified in USA
  • 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
  • Secure fit of a dual D-ring chin strap
  • 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



  • Weight: DOT/ECE 1200 grams