Stilo Top Air System without adjustment for ST5/ST6 / large shell (smaller round connector)

The Stilo YA0859 Non-Adjustable Top Air System is a genuine OEM forced-air ventilation accessory engineered specifically for Stilo ST5 and ST6 helmets utilizing large shell sizes. Featuring a fixed-flow design coupled with a compact round hose connector, this top air scoop delivers a continuous, uninhibited stream of fresh air directly into the helmet for maximum cooling and anti-fog performance during intense racing stints.

Key Features

• Genuine OEM Accessory: Factory-original top air ventilation kit engineered to match the exact shell contours and curvature of Stilo ST5 and ST6 large shell helmets.
• Maximum Unrestricted Airflow: Fixed-flow configuration ensures a steady, high-volume delivery of fresh air straight to the visor and interior ventilation ports without restriction.
• Compact Round Connector: Equipped with a smaller round hose connection compatible with specific professional forced-air blower systems and supply tubing.
• Enhanced Cooling & Anti-Fog: Keeps cabin heat under control and effectively prevents visor misting in high-temperature or humid competition environments.

Product Specifications

• Application: Stilo ST5 & ST6 Helmet Series (Large Shell Sizes)
• Part Number: YA0859
• Connector Type: Smaller Round Hose Connector
• Design: Non-Adjustable (Fixed Direct Flow)
• Component Type: Top Air Ventilation System