After years of research and development, Troy Lee Designs introduced the A1 mountain bike helmet. Lightweight all-mountain / enduro helmet, ensures maximum coverage to keep you safe and secure in all riding conditions.

- Molded reinforced polycarbonate shell with EPS liner that extends along the sides and back of the head for maximum protection and durability
- 8 front vents that suck in fresh air for maximum ventilation
- 8 rear outlets help discharge and absorb heat from the head
- Height adjustable closure system allows for a custom fit for all head shapes and riding styles
- One-piece comfort lining, ultra soft, removable and washable in antimicrobial material that wicks moisture for a dry and comfortable feel
- Adjustable visor
- Anodized aluminum screws
- Compliant with CE, CPSC and EN standards