The air tunnel guarantees 100% airflow through the cooler. You will appreciate it especially in the summer months when the motorcycle overheats. Thanks to the air tunnel, the coolant temperature is reduced by 5 up to 10 ° C depending on the motorcycle. This part is intended for installation on the original radiator. Material used: GFK – Polished fiberglass in black RAL 9005 3 x K-K (Kevlar-Carbon) reinforcements. The heat resistance of the material is 100 ° C.