Pro Shade visor kit for Arai helmets. Suitable for SZ-R VAS Properties Pro Shade Variable Axis System (VAS) Scope of delivery VAS-Z helmet visor Pro Shade visor mechanism Cover visor mechanism Variable axis system (VAS-Z) VAS-Z is a variant of Arai s “ Variable Axis System” VAS for short. This variable axis system lowers the top of the sight mechanism by almost an inch & shifts the pivot point of the shield downwards. This lower pivot axis allows for a rounder & smoother shell surface above the mount for better impact behavior in crash situations. Pro Shade System A sun visor integrated into the helmet does not only have advantages: It restricts manufacturers when designing the shape of the helmet & thins out the interior of the head protection, as a complete sun visor including swivel mechanisms has to be recessed between the shell & EPS liner. Traditional manufacturer Arai has declared war on this problem &, with its Pro Shade visors, has brought sun protection onto the road...