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509

509 Altitude 2.0 Helmets

$339.95
$339.95 $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 Breath box to get you through a full season of extremes.
  • Hand lay-up fiberglass composite construction for stronger, lighter weight, 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
  • Fidlock® chinstrap strap closure for easy in and out
  • Go-Pro® mounting capability, improved design
  • Perfect fit between helmet eye port and 509 goggles
  • Pro-Series Breath box for complete protection, removeable for great air flow