The Demon Windshield offers a great looking, effective solution for decreasing air turbulence. The Memphis Shades Demon Windshield is a perfect addition for riding comfort and performance. Made from durable, scratch-resistant Lucite, the Demon Windshield measures 21" W x 18" H and fits most round headlights Two-point billet aluminum handlebar clamps and mounting hardware fit 7/8" and 1" handlebars 1-1/4" handlebar clamps 970-199 are available for separate purchase