SEVAM Road bikes are the means of transportation when riding. Many people like cycling, but safety is the most important thing. For riders, motor vehicles on the road are a huge source of danger. It is necessary to accurately identify the current road conditions. This bike mirror is installed on the end of the road bike handlebar, and will not hinder your riding, while still maintaining a sense of fashion.Bike Mirrors, Bicycle Cycling Rear View MirrorsPERFECT FOR CYCLINGProviding the best vision for cycling180 DEGREEBike mirror with 180-degree plane rotation to adjust mirror placeMULTI-FUNCTIONBase with 360 degrees full rotation and could adjust to any direction to help you watch every direction of your backMaterial: Plastic + GlassMirror Diameter: Approx.3.15inchPackage List: 1pcs * Bike Rear Mirror1. The diameter of the mirror surface of our bicycle rearview mirror is 3.14in, and the length is 5.51in. The large mirror surface can make your field of vision wider and ensure your riding safety!2. Convex design: Convex mirror has a clearer and wider field of view than flat mirrors.3. The mirror surface of the reflector can be rotated according to the driving conditions, which can keep the field of vision open when driving, and clearly observe the oncoming vehicles from behind.4. The installation is convenient and stable, just buckle the supporting elastic installation belt!