Shoei CWR-1 Transition Photochromic Visor for NXR/RYD/X-SPIRIT III HelmetsShoei CWR 1 Transitions Photochromic Fits NXR RYD X SPIRIT III With a photochromic visors you are well prepared for all light situations. It dynamically adapts to changing light conditions. The visor of your helmet protects you against many, what comes up to you whilst motorcycling, like wind, rain, insects or dust. A carefull maintenance prolongs its usage period. If your visor is dirty, clean it carefully, as explained in the manual of your helmet