Size: 1 inch (20-23mm) Material: Aluminum Position: Left Brand: MZS Lens Curvature Description: Convex Vehicle Service Type: Street-Cruiser-Motorcycles, Cruiser/ Touring, Street-Touring-Motorcycles Fit Type: Universal Fit Shape: Round About this item BEST WIDE VISION - 180 Degree adjustable ball joint and stem rotation motorcycle mirrors design, with high quality convex glass lens that provides ultra-high definition to remove blind spots, better ensuring a safe drive!. HIGH QUALITY MATERIAL - Adopts modern 6061 T6 aluminum alloy integrated CNC process has higher tensile strength and yield strength, and is not easily get damaged even under collision. It has good corrosion resistance and is not easy to get rust, ensure a long life and a cool look. CHAMFERED EXTENSION ADAPTER - The MZS 1 inch bar end mirror adopts a unique chamfered extension adapter design. Compared with the traditional horn-shaped adapter, the extended part of the chamfered adapter is easier to open and easier to fix inside the handlebar, which solves the problem that the bar end mirror is easy to loosen during driving. ANTI-STICKING WASHER - The unique throttle anti-sticking design forms the absolute independence of the connection position between the mirror and the throttle handle. After the installation, the throttle retains its original resilience, which keeps you safe and worry-free. WIDE FITMENT - fits to most bands of Motorcycle Touring Cruiser Bobber Chopper Cafe Racer with standard hollow 1 inch diameter handlebars. (Before installation, please move the outermost silver shell of the adapter to the top and fix it with a Allen Wrenche, otherwise the adapter shell may not be opened)