Safer CyclingThis bicycle mirror is specially polished, will provide HD visual effects, you can see things behind you quickly and truly.And with 360 degree swivel base, you can adjust the rearview mirror to the appropriate position, end bar design makes the rearview mirrors will not be blocked by yourself, no blind spots, easier drivingand safer.Strong Handlebar Bike MirrorMade of high quality acrylic mirror and engineering plastic materials, this bicycle rear view mirror is anti-rust, anti-aging, waterproof and dustproof.And one-piece design bracket, features high hardness, wear resistance, will not easily break when the bike falls.ApplicationThis bicycle mirror is suitable for handlebar inner diameters ranging from 16-22mm (0.62"-0.86"), compatible with 90% of mountain bikes, road bikes, city bikes, etc.Please measure your handlebars before purchasing.Easy to installPull with a wrench.Insert the expansion plug into the hole of the bicycle handle.Turn the screw to expand the expansion plug.Adjust the angle and the installation is complete. Well assembled in minutes.Please NoteBefore using the bicycle rearview mirror on the bicycle, please remove the protective film so that it is clearer and safer when riding.