About this item Sturdy and durable: Each bicycle mirror is made of high quality nylon resin, impact resistant and anti-shatter, weighs only 78 grams; HD Safe Convex Bike Mirror lens with anti-scratch protective film, need to remove the film before use, ABS handle, strong and durable, the mirror should be used for a long time. HD Safe Convex Bike Mirror - The mountain bike mirror features a convex lens that provides a wide field of vision and can be adjusted to any viewing angle. Notice to remove the protective film before using the bicycle mirror. 360 Degree Rotation: The bicycle mirror has a full 360 degree rotation and can be adjusted in any direction for you help to look in all directions. Better to adapt to all directions to look back in all directions, ensuring a safer ride. Easy to install - Well assembled in minutes - 1. Mirror aligns angled surfaces to connect the end of the bicycle bar; 2. Fully insert the connection point expansion bolt into the end of the handlebar; 3. Using the hex key (in the package), tighten and adjust to the desired position. Suitable for: Suitable for handlebars with a diameter of 17.4-22mm, bicycle mirror, it is applicable both left and right Ideal for city bikes, motorcycles, e-bikes, bmx, mountain bikes and road bikes. The package includes 2 bicycle mirrors, 1 hex wrench.