The Stilo short sun visor fit the Stilo ST5 (all versions composite, carbon, 8860 etc) and is designed to provide extra protection from the sun when a shield isn't necessary. The short visor can easily be adjusted up or down like a full visor for blocking the direct sun's rays. Using your same ST5 hardware that your shield is attached with, this Stilo ST5 short sun visor is a popular item in endurance closed cockpit racers. Eliminates the full visor for use in internal cockpits. Can be adjusted as angle of sunlight drops