Keep your helmet performing like new with the RPHA 91 Lower Vent, a direct replacement part for the RPHA 91 series. Designed to ensure maximum air intake and optimal ventilation, this lower vent part helps to refresh your helmet's airflow system, maintaining the comfort and cooling effect needed for enjoyable rides. Made from high-quality materials for durability, it fits seamlessly into your helmet, offering an easy solution to replace damaged or worn vents. The RPHA 91 Lower Vent is crucial for riders who want to maintain the best conditions for visibility and comfort, proving that small details can make a big difference in your riding experience.