Please Note We are not allowed to ship this item outside the EU. With a colored spoiler you can give your X-SPIRIT III a distinctive look. Back of the head spoiler to replace the original part or to customize the helmet individually. The back of the head spoiler serves the aerodynamic stabilization & ventilation of the helmet. The negative pressure in the area behind the spoiler, which is created by the airflow, forces used air to escape from the helmet through the vents hidden underneath. Set with 1 ventilation slider & self-adhesive foil for attachment, suitable for the model X-SPIRIT III.