13-15 HONDA CB500X: National Cycle VStream Windscreen (21") (Clear) National Cycle's VStream&#174; is revolutionizing motorcycle windscreen performance! While other manufacturers offer taller screens or air spoiler tops, National Cycle designed, for the first time ever, a windscreen with airflow calculated and adjusted to Constructed from thick, durable hardcoated Lexan&#174; polycarbonate material. DOT and ABE approved. Coated with National Cycle's exclusive scratch-resistant Quantum&trade; hardcoating or FMR hardcoating (depending on windscreen shape and size). Fairing-Mount VStream&#174; Windscreens use the bike's original mounting hardware.