?? ?WIDER VIEW? The diameter of this handlebar mirror is 6.8cm. The surface of the high-definition convex rearview mirror is smooth and glare-free, which will give you a clearer and wider view and make driving more sure. ?? ?360 ? ADJUSTABLE? With the 360 ??degree rotating design, this safe rear view mirror can be adjusted to any angle. In addition, the glass rearview mirror can be installed on the left or right so that the driver can clearly see the traffic behind without turning your head. ?? ?STURDY AND DURABLE? The bicycle mirror is made of durable nylon resin, which is resistant to impact and corrosion. The sturdy structure ensures that this mini rear view mirror can also be used for a long time. When unexpected bumps occur, it will not break easily. ?? ?EASY TO INSTALL? 1. Connect the expansion screw to the rearview mirror (please do not tighten the screw first) 2. Remove the connector from the handlebar and insert the expansion screw into the hole in the handlebar 3. Turn the screw and tighten the bicycle mirror. ?? ?WIDE APPLICATION? This mirror is applicable to the left or right end of the handlebar. Fits 17.4mm-22mm (inner diameter) handlebars, please measure it before purchasing. Suitable for all kinds of bikes, such as bikes from racing, mountain bikes, city bikes, motorcycles, electric bikes, etc.