Highlight description: 1.The bicycle rearview mirror can be rotated 360 degrees and can be adjusted to any direction to help you observe each direction. Better adapt to any direction to observe all directions of the back, thus ensuring safer riding. 2.Easy to install, it can be installed in a few minutes. Installation steps: 1. Align the inclined surface with the mirror to connect the rod end of the bicycle; 2. Fully insert the connecting point expansion bolt into the end of the handlebar; 3. Use a hexagonal wrench (in the package) to tighten and adjust the desired position. 3.. Very suitable for city bikes, motorcycles, electric bikes, BMX, mountain and road bikes. Detailed description: Product material: mirror+ABS+metal Product size: Small round mirror: about 70mm/2.8inch in diameter Applicability: Suitable for 18~22mm handlebars Notes: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow slight manual measurement deviation for the data. Parts List: 2bicycle mirrors 2hex wrenches Each safety rear-view bicycle mirror is made of high-quality nylon resin, with impact resistance and shatter resistance, The high-definition bicycle mirror has a scratch-resistant protective film, which needs to be removed before use ABS The handle is sturdy and durable and can be used for a long time The mountain bike mirror with convex lens provides a wide field of view and can be adjusted in any viewing angle The bicycle rearview mirror is suitable for handlebars with a diameter of 18~22mm, and both left and right sides are suitable