Slipstreamer HD-0 Mini-Police Windshield (7/8) (Smoke) Designed to replicate the "Harley" police shield, this Slipstreamer original takes it one step farther. Manufactured from 3/16" acrylic. Mounted with quick-release mounting hardware to remove and put back on in seconds. With stainless steel straps and anodized aluminum hardware, rust will never be a problem. Shield comes standard to fit 7/8", 1" or 1-1/4" handlebars.