Altitude 2.0 Carbon Fiber Helmet R-Series

The 509 Altitude 2.0 Carbon Fiber R-Series Helmet is a lightweight racing helmet developed for competitive snowmobile and snowbike use. Its hand-laid carbon-fiber shell, high-flow ventilation and double D-ring chinstrap provide a focused race-ready package for riders competing across ISR racing disciplines.

Key features

• Hand-laid carbon-fiber shell
• Orange colorway complies with ISR racing regulations
• Nine intake vents and four exhaust vents
• Removable moisture-managing liner
• Double D-ring chinstrap
• DOT certified
• Starting weight approximately 1100 g
• Intermediate oval head shape
• Sizes XS–2XL with three shell sizes
• Universal camera mount and adjustable polycarbonate visor
• Includes drawstring helmet bag and basic helmet bag

Why choose this product?

Purpose-built for racers who want a very light carbon helmet with race-oriented fastening, ventilation and ISR-compliant visibility.