About this item Robust and durable - each safe bicycle rearview mirror is made of high-quality nylon resin, which is impact resistant and shatterproof, and weighs only 78g; HD bicycle lenses are provided with anti scratch protective film, which needs to be removed before use. ABS handle is sturdy and durable, and the mirror can be used for a long time. HD safety bicycle convex mirror - mountain bike mirror with convex lens, which can be adjusted to any angle of view. Before using the bicycle rearview mirror, please take care to remove the protective film. 360 degree rotation - The bicycle mirror can be fully rotated 360 degrees and can be adjusted to any direction to help you observe each direction. Better adapt to any direction, observe all directions of the back, and ensure safer riding. Easy to install - well installed in a few minutes - 1. The mirror aligns the inclined surface to connect the rod end of the bike; 2. Fully insert the expansion bolt of the connection point into the handle end; 3. Use a hex wrench (inside the package) to tighten and adjust the required position. Applicable to - applicable to handles with a diameter of 18-22mm, and bicycle rear-view mirrors are applicable to left and right sides. It is very suitable for city bikes, motorcycles, electric bikes, bmx, mountain bikes and road bikes. The package includes 2 bicycle mirrors and 1 hexagon wrench.