COMFORT – OPTICS – STRENGTH National Cycle revolutionizes windscreen performance with the VStream® Windscreen! The patented "V" shape and advanced dimensional contours push the wind vortex away from the rider's head, resulting in a peaceful, quiet riding environment. The passenger's comfort is improved as well. FMR hardcoated polycarbonate is used for outstanding optics and impact strength 23X better than acrylic. This is one tough windscreen! Reduced wind noise... less turbulence... superior strength... perfect style. The VStream revolution is here! Height: 10.00" (25.4cm) Width: 17.00" (43.2cm) Measured vertically from the top of stock headlight shroud to the top of the screen, and horizontally across the back at the widest point.