- Bike Checks
Need more info? View our MTB Open Face Helmets buyer's guides.
|Number of Vents|
|Miscellaneous||The O2 features 24 vents and Internal ventilation channels for optimum airflow. Rollsys Retention System Rigidity Brace System: Reinforcements for a superior helmet resistance against multi impacts Internal ventilation channels for optimum airflow and Coolmax padding In-Mold (2 pieces) and 24 vents Unisize weight 310g LG-2XL weight 345g Lazer has a simple crash replacement program available through participating dealers. See your dealer for details 21 vents 305 grams Lazer has a simple crash replacement program available through participating dealers. See your dealer for details Item Specifications Color White/Black Fits 53-61cm Gender Men's Size One Size Helmet Style Standard Defined Color White|
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