Description of equipment Wide angle: this handlebar mirror has a diameter of 6.8 cm. The high-definition convex mirror is smooth and glare-free, providing a clearer and wider view for safer driving. 360 With a 360 degree swivel design, this safety mirror can be adjusted at will. In addition, the glass mirror can be mounted on the left or right, so riders can see the vehicle behind them clearly without having to turn their heads. Robust and durable: the bicycle mirror is Made of durable nylon resin that is impact and scratch resistant. The sturdy construction ensures that this mini mirror will last a long time. It will not break easily in case of accidental collision. ^ Easy to install: 1. Fix the expansion screw to the mirror (do not tighten the screw first) 2. Remove the handlebar connector and insert the expansion screw into the handlebar hole 3. Turn the screw and tighten the mirror. Wide scope of application: The mirror fits either the left or right end of the handlebar. Suitable for handlebars from 17.4mm to 22mm (inner diameter), please measure before purchasing. Suitable for all types of bicycles, such as racing bicycles, mountain bikes, city bicycles, motorcycles, electric bicycles, etc.