Sturdy and Durable - Each bicycle mirror is made of high-quality nylon resin, impact resistant and shatterproof, weighing only 78 grams. Features an HD cycling mirror lens with an anti-scratch protective film; remove the film before use. Equipped with an ABS handle for enhanced durability, designed for long-term use. HD Safe Convex Mirror Bike - The mountain bike mirror includes a convex lens that provides a wide field of vision and can be adjusted to any viewing angle. Remember to remove the protective film before using the bicycle mirror. 360 Degree Rotation - The bicycle mirror offers full 360-degree rotation, allowing adjustment to any direction for improved rear visibility. Helps monitor traffic from all directions, enhancing riding safety. Easy to Install - Mounts quickly and securely in minutes. 1. Align the mirror with the angled surface at the end of the handlebar. 2. Fully insert the expansion bolt into the handlebar end. 3. Use the included hex wrench to tighten and adjust to the desired position. Suitable For - Fits handlebars with a diameter between 17.4-22mm. Compatible with both left and right handlebar setups. Ideal for city bikes, e-bikes, BMX, mountain bikes, road bikes, and other bicycle types. Package includes 2 x bicycle mirrors and 1 x hex wrench.