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509 ALTITUDE 2.0 CARBON FIBER 3K HI-FLOW HELMET - SHARKSKIN (MATTE) (2025)


Price $ 429.95 US
509 Winter Sale!
Sale Price $ 300.97 US


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509 Altitude 2.0 Carbon Fiber 3K HI-FLOW Helmet - Sharkskin (Matte)

Altitude 2.0 Carbon Fiber 3K Hi-Flow Helmet

Reinvented to ride even harder, the second generation of the bestselling 509 Altitude series unleashes a whole new animal. For those who run at redline, the new 509 Altitude 2.0 Carbon Fiber 3K Hi-Flow Helmet maximizes airflow with open upper and rear vents plus a 40% larger chinbar intake. Everything else is what you'd expect from one of the world's bestsellers, including a new hand lay-up carbon composite construction that makes this helmet lighter, stronger, and even more comfortable.

Features

  • Hand lay-up carbon fiber composite construction
  • XS to 4X sizes available in three shells for optimal fit and minimal weight
  • Upper vents for airflow control (shutter closure not available on Storm Chaser and Cyan Navy colors)
  • 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 for complete protection, removable for optimal air flow
  • 509 helmet bag included

Specs

  • Weight: ECE 1050 grams
  • 509 Altitude 2.0 Helmet Review
    509 Altitude 2.0 Helmet Review
  • HOW TO: Altitude 2.0 Quick Strap Installation
    HOW TO: Altitude 2.0 Quick Strap Installation
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