LS2 FF811 Helmets Upper Air Vent 

The rear air vent on the LS2 FF811 Vector II (also known as the rear exhaust vent) is a sleek, snap‑fit component made from durable, high‑impact plastic. It forms part of the helmet’s dynamic flow‑through ventilation system, enabling efficient expulsion of warm, humid air to enhance cooling and rider comfort.

Features

• Dynamic Flow‑Through Ventilation: Works with front intake vents and internal EPS channels to create a continuous airflow drawing in fresh air and expelling heat via the rear.

• Precise Fit & Aerodynamic Design: Engineered to conform perfectly to the helmet shell for a secure, rattle-free fit without disrupting aerodynamics.

• Durable, High‑Quality Material: Constructed from rugged, high-impact plastic for long-lasting performance under everyday use.

• Easy Installation: Designed for straightforward snap-fit replacement ideal for maintenance or customization.