Features: This bicycles rearview mirror has a large field of view design, which can provide a widers field of view, allowing cyclists to clearly observe the traffics situation behind them, and enhancing cycling safety. The use of special reflective materials and high-definition flat mirrors can effectively reduce the glares of direct sunlight and vehicle lighting, ensuring the visual comfort of cyclists in bright environment. The rearview mirror bracket can adjust its angles to meet the needs of cyclist of different heights and riding postures. You can easily adjust the mirrors angles to achieve the best viewing effect. Suitable for all cyclists who love cycling, whether they are mountain bikes or road bikes. This product can provide a good rear view and help them rides more safely. Equipped with shock absorption performances, able to work stably in uneven road conditions, providing cyclist with a clearly rear view, improving cycling pleasure and safety. Specifications: Material: Aluminum Alloy Size: As Shown In The Picture Applicable Handlebar Diameter: 20-23mm/0.79-0.90inch Package Includes: 1set Rearview Mirrors note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.