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

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 3K Hi-Flow 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 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 for complete protection, removable for optimal air flow
• 509 helmet bag included

• Weight: ECE helmet as low as 1070 grams

Orders $39 and over qualify for free standard shipping via Ground (UPS, FedEx, USPS) to the contiguous 48 US states. Shipping will be calculated for orders to Alaska, Hawaii, and U.S. Territories including Puerto Rico, Guam, and U.S. Virgin Islands.

P.O. Box Shipping. If you list a PO Box and select free shipping, please add a customer note with your order including a physical shipping address. We will ship to a PO Box if the shipping is comparable to other carriers. Otherwise we may need to ship to physical address or charge additional shipping fees.

Learn about additional details and restrictions by reading our full Shipping Policy

If your order arrives and it is not right, we’ll fix it…period. Doesn't fit or you're simply not happy with your item? Return any new, unused and unaltered item within 30 days of delivery of your item. Learn about additional details and restrictions by reading our full return policy.