SAFE MATERIAL: The bicycle mirror is made of high-quality ABS, plastic and glass, which is effectively resistant to bumps and chips, shocks and corrosion. Heavy-duty aluminum spacers and black plastic housing ensure the longevity of the mirror. You dont have to worry about the mirror breaking after repeated bending, it wont break easily even on very bumpy road sections. CLEAR AND WIDE FIELD OF VISION: The High-definition mirror with a diameter of 8 cm has a smooth and glare-free surface, giving you a clearer field of vision. Convex mirror design maximizes field of view. It allows you to see the surrounding environment and the road behind clearly without turning your head, improving your riding safety. ROTATING AND ADJUSTABLE: This bicycle mirror adopts 360 rotatable design , which can be adjusted by pushing the edge of the lens up or down. Tilt and move the support rod at multiple angles at any time to see the light in different directions and the road conditions in different directions. Provides you with a more comprehensive rear view to ensure riding safety. EASY TO INSTALL: Bike mirrors can be quickly installed and removed. We equip you with non-slip rubber washers, you can attach the lens to the frame to add friction to keep it firmly in place, very easy to install on any handlebar mounted, flexible use. WIDE APPLICATION: This bicycle mirror is suitable for handlebars from 20mm to 30mm in diameter. It is suitable for mounting on both sides of the handlebar, perfect for most bicycles, such as road bikes, mountain bikes, e-bikes, hybrid bikes, city bikes, motorcycles, e-bikes, e-scooters , etc. Product Convex bicycle mirrors provide a clearer and wider field of vision to improve riding safety. This mirror is specially designed for cycling enthusiasts. Mainly to improve driver safety by providing greater visibility. You dont have to look back to see what is happening to you. Just look in the mirror and there it is. Material: ABS + Plastic + Glass + Aluminum Total length: 38 cm (14.9) Length of the middle aluminum tube: 18 cm (7 .08) Mirror diameter: 80mm (3.14) Rubber eyelets: 80mm (3.14) Clamp inside diameter: 30 mm (1.18) Clamp diameter Applicable handlebar: 22-30mm Color: Black Contents: 2 bicycle mirrors + 2 round clamps + 4 rubber grommets. Installation steps: 1.Prepare the bicycle mirrors and spacers. 2.Remove the protective film from the bicycle mirror. 3. Loosen the screw under the mirror support rod. 4. Insert the spacer into the clamp. 5. Tighten the screws of the mirror. 6. Adjust the angle of the mirror you need. you need. NOTES: Please measure the inside diameter of the bicycle handlebar before buying a bicycle mirror.