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509 Altitude 2.0 Offroad Helmet Legacy Black

In stock
Retail price $289.95
Bob's Price $289.95

Elevate your game with the next-generation performance of the 509 Altitude 2.0 Offroad Helmet featuring the latest in weight-saving design and breathable comfort. Trail or track, the Altitude’s bestselling package twists the throttle wide open on airflow with a 40% larger chinbar intake and rear exhaust vents to keep you cool no matter what. Top of the line in every way, it includes the Fidlock® magnetic strap buckle for easy one-handed operation, plus GoPro® mounting capability.

  • 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 - Hi-Flow
  • Go-Pro® mounting capability, improved design
  • Fidlock® chinstrap strap closure for easy in and out
  • Perfect fit between helmet eyeport and 509 goggles
  • 509 helmet bag included


  • Starting Weight: DOT/ECE helmet as low as 1200 grams
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