Registered Forum User
Ducati Corse
Posts: 3,555
Join Date: May 2001
Location: North Yorkshire
Mood: R U thinking what I'm thinking?......Oh dear!
Aerodynamics, handling, manage the airflow to the radiators/coolers and possibly the brakes.
Keeps spray in check in the wet.
In the days of very flimsy forks they was also the function of bracing.
Ray.