National Cycle Wave QR Windshield N21610 25% Light Tint. For DOT approval, this model is available in light tint only. 4.0mm Lexan Light Tint Polycarbonate (the toughest windshield material available) with FMR hardcoating for excellent scratch resistance. DOT/ABE Approved. Removable in just seconds, without tools - thanks to National Cycles Quick Release Mount Kit (sold separately). And its rake adjustable. Chrome Quick Release hardware with rake adjustability. Mount kits sold separately