509 Altitude 2.0 Carbon Fiber 3K Helmet (ECE)


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SKU: F01003900-120-001

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Reinvented to ride even harder, the second generation of the bestselling 509 Altitude series unleashes a whole new animal. Leading the charge is the 509 Altitude 2.0 Carbon Fiber Helmet with a new hand lay-up 3K carbon composite construction that’s lighter, stronger, and straight-up sleeker than anything before it. For those who like to get aggressive, it includes the Fidlock® magnetic strap buckle for easy one-handed operation, a built-in universal camera mount, plus airflow control venting.



Hand lay-up carbon fiber composite construction

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 eyeport and 509 goggles

Pro-Series Breathbox for complete protection, removable for optimal air flow

509 helmet bag included

Weight: ECE 1150 grams



*Helmets are not returnable due to the safety aspect required of the product.