The 509 Tactical 2.0 Enduro Helmet with Fidlock® magnetic strap buckle offers the latest in performance from our bestselling Tactical Offroad Helmet family. Optimal airflow and comfort combine with industry-leading safety and style to make this the greatest deal going in dirt. Its unique performance includes Venturi Venting with shutters you can open or close to create negative pressure in the breath box that pulls moist air out for uncompromising comfort and visual clarity.


    • Meets or exceeds DOT & ECE 2205 safety certification standards

3 Shell Design – XS to 4X Sizing

  • Durable polycarbonate outer shell for stiffness and absorption
  • Innovative Venturi Vent pulls moist air from helmet breath box, on and off shutter closures
  • Adjustable visor
  • V.E.E.S Protection system (sold separately) can be used for cold weather, and winter conditions
  • Soft microfiber liner for quick drying and comfort
  • XS to 4X sizes available in three shells for optimal fit and minimal weight
  • Upper vents for optimal airflow
  • Go-Pro® mounting capability, improved design
  • Fidlock® chinstrap strap closure for easy in and out
  • Perfect fit between helmet eyeport and 509 goggles
  • Pro-Series Breathbox included
  • 509 helmet soft bag included
  • California Prop 65



  • Weight: Starting at 1300 grams