One of the industry’s bestselling helmets ever, the 509 Altitude series excels across four key principles: safety, performance, fit, and style. Revolutionary design means precision fit and sleek profiling that exceeds the competition, plus innovative venting and all-day comfort for aggressive riding. A team and competitor favorite, the 509 Altitude R-Series Helmet is racing-certified with the secure fit of a dual D-ring chin strap, plus customizable features like a removable cold weather breathbox and vent closures.
- Pro Series cold weather removable breathbox
- Removable ventstoppers for customized ventilation
- Comes standard with universal camera mount
- Comes with Dual D-ring chin strap for a secure fit
- Innovative aerodynamic channels & 8 intake/exhaust vent ports
- Meets and exceeds DOT & ECE 2205 safety certification standards
- One piece eye port trim
- Perfect 509 goggle fit
- Revolutionary neck brace ready shell profile
- Custom fit eps, specially designed for North America
- Special designed expanded polyurethane chin insert
- Removable, washable premium liner
- Dual density, interlocking eps