This universal rearview mirror fits on the handlebars of all Magnum Bikes! At 3" x 4.5" and featuring a wide field of view, this glass mirror helps adds another layer of safety to your rides. A reflective back cover makes you more visible to those in front of you, too.Simply mount to the lefthand side of your handlebars with the included hardware - just grab an adjustable wrench to tighten fully (wrench not included). Installation takes just a couple of minutes! Then mount your e-bike and adjust the mirror&&';;s angle to customize the best field of vision while you ride.