Casco试验区4平衡头盔由高模量玻璃纤维制成。它有两种外壳尺寸，每种尺寸都更舒适。EPS是由三种密度的发泡聚苯乙烯制成的。头盔的内部是完全可拆卸的，由不同密度的泡沫制成，并涂有低过敏性Coolmax®织物，带来完美的舒适感。闭合是可微调节的快速动作。它有2个前部通风口和2个顶部通风口，带有可拆卸的盖子和4个后部出口，在EPS和外壳之间提供内部气流，在头盔内部产生Venturo效果，在内部提供凉爽。它有侧通风口，以提高听力和透气性。遮阳板由牢不可破的ABS塑料制成，两侧有Hebo®专用的铝制螺钉。头盔的重量为950±50克。该头盔的认证号为：EC 22-05。 参考文献：HC1029
The Casco Trial Zone 4 Balance helmet is made of high-modulus fiberglass. It has 2 shell sizes for better comfort in each size. EPS is made of expanded polystyrene in THREE densities. The interior of the helmet is fully removable and made with foam of different densities coated with Hypoallergenic Coolmax® fabric for perfect comfort. The closure is micro-adjustable quick-action. It has 2 front air vents and 2 top air vents with removable covers and 4 rear exits that provide internal airflow between the EPS and the shell, creating the Venturo effect in the interior of the helmet, providing coolness inside. It has side vents for better hearing and ventilation. The visor is made of unbreakable ABS plastic, with screws on the sides exclusive to Hebo® made of aluminum. The weight of the helmet is 950 ± 50 gr. The helmet is homologated: EC 22-05.Referencia: HC1029
