Altitude 2.0 Offroad Carbon Fiber Helmet

Select Color: Divide
Select Size: XS

Size Guide

$369.95 Regular price $369.95
Get IN5IDERS points
This is the number of 509 points you will receive for this order. Points are redeemable for exclusive rewards, experiences, content and free items. To redeem your points, check out the rewards section of your account.

Free US Shipping

Easy Returns

12 Month Warranty

100% Secure Checkout

Destroy all forms of dirt with the next-generation comfort and performance of the bestselling 509 Altitude 2.0 Offroad Carbon Fiber Helmet. Hand lay-up carbon fiber composite construction makes it lighter, stronger, and sleeker than anything before it. A larger chinbar intake plus upper exhaust vents keep you cool no matter how heated the session gets. Top of the line in every way, it includes the Fidlock® magnetic strap buckle for easy one-handed operation, plus GoPro® mounting capability.
Carbon Fiber ECE Certified Fidlock® Hi-Flow

Key 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 optimal airflow - Hi-Flow
  • Go-Pro® mounting capability, improved design
  • Fidlock® chinstrap strap closure for easy in and out
  • Perfect fit between helmet eyeport and 509 goggles
  • 509 helmet bag included



  • Weight: ECE helmet as low as 1070 grams