1. This bicycle rearview mirror adds more convenience and safety to cycling. It features a convex mirror design with a mirror diameter of up to 10 centimeters, providing a wider field of view. While cycling, it allows you to clearly observe the rear situation and stay alert at all times. 2. It is equipped with a bendable hose, enabling you to adjust the angle of the rearview mirror according to your cycling habits and needs. You can easily fine - tune the angle to obtain a suitable field of view and ensure cycling safety. In addition, this rearview mirror has a quick - disassembly function, making installation and removal extremely convenient. Whether it's for daily cycling or storing the bicycle, you can handle it easily. 3. Its material is plastic/resin, which is lightweight and durable, and also has good impact resistance and stability. It can adapt to different environments and road conditions and accompany you on every cycling trip. 4. This beautifully designed bicycle rearview mirror combines aesthetics and practicality. It is a necessary and considerate accessory for cycling enthusiasts, making your cycling journey more reassuring and enjoyable.