Introducing the ST5 Non adjustable top air kit with Small Round Connector. Meticulously designed to provide a continuous stream of fresh air directly into your helmet. Tailored specifically for Stilo's small shell sizes under 59, this top-notch product redefines comfort and performance on the racing circuit. Featuring a fixed airflow configuration, this top air system delivers consistent ventilation to the visor and top ventilation holes, ensuring optimal breathing and cooling throughout your race. Crafted with precision and durability in mind, the small aluminum round connector maximizes airflow efficiency, enabling you to stay focused and in control during intense racing conditions. Installation is a breeze with the included non-damaging 3M adhesive, offering a secure mount without any permanent damage to your helmet. Please note that the adhesive is single-use only, ensuring a dependable attachment for every race.