





















509 Altitude 2.0 Offroad Helmet
Elevate your game with the next-generation performance of the 509 Altitude 2.0 Helmet featuring the latest in weight-saving design and breathable comfort. Trail or track, the Altitude’s bestselling package twists the throttle wide open on airflow with a 40% larger chinbar intake and rear exhaust vents to keep you cool no matter what. Top of the line in every way, it includes the Fidlock® magnetic strap buckle for easy one-handed operation, plus GoPro® mounting capability.
Features:
- 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
Spec:
- Weight: DOT/ECE helmet as low as 1200 grams
Select Color
Select Size
From $43.74
Original: $124.97
-65%509 Altitude 2.0 Offroad Helmet—
$124.97
$43.74Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Elevate your game with the next-generation performance of the 509 Altitude 2.0 Helmet featuring the latest in weight-saving design and breathable comfort. Trail or track, the Altitude’s bestselling package twists the throttle wide open on airflow with a 40% larger chinbar intake and rear exhaust vents to keep you cool no matter what. Top of the line in every way, it includes the Fidlock® magnetic strap buckle for easy one-handed operation, plus GoPro® mounting capability.
Features:
- 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
Spec:
- Weight: DOT/ECE helmet as low as 1200 grams




















