Slipstreamer S-267 Windshield - 11in. - Dark Smoke S-267-11DS Made out of the same .177 Lucite aircraft quality acrylic as the GL1800 shields Optically clear and are stronger and more rigid than the OEM shield which gives better airflow The 11in. version is a dark smoke (50%) to give a sleek custom look to the bike. The 19 versions are crystal clear The 19in. vented is supplied with the same O.E.M.