HK GROUP Motorcycle Carbon Fiber Diamond Blade Style Rearview Mirrors 8mm 10mm Fit Standard Metric Screws 7/8" handlebar Yamaha V-max FZ1 FZ6 YBR XVS950 V-Star Virago Warrior Royal Star Mirror Size: Length 5 1/2 inches X Width 2 1/4 inches (14cm X 5.7cm) Stem Material: Heavy duty Rough Black powder coated Billet aluminum;Stem Height: 3 1/2" (8.9cm) Fits Most Motorcycle, Street Bike, Scooter, Cruiser & Chopper Models with Standard Metric Screws Please check your bike's mirror fitting if it is 8mm or 10mm threat before ordering the product. 180 Degree All Angle Ball Joint Swivel Design