509 Altitude 2.0 Carbon Fiber 3K Hi-Flow Helmet (ECE): Limited Edition

$479.99 $599.99

SKU: F01009900-120-203

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ALTITUDE 2.0 CARBON HELMET WITH HIGH FLOW CHARACTERISTICS / Engineered with 40% larger chinbar intake and rear exhaust vents. All open vents, removed shutter for increased flow, plugs removed, more breathable for mountain riders. Combined with an ultralight ECE 3K Carbon layup this helmet is optimized for the most demanding off-trail riders.


  • Hand lay-up carbon fiber composite construction
  • 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
  • Weight: ECE helmet as low as 1050 grams
  • 509 helmet bag included