Description 360 ADJUSTMENT HIGH DEFINITION CONVEX MIRROR: Wide-angel acrylic convex mirror, clear vision, look farther and ride safe, it can be adjusted to any viewing angle. DURABLE AND UNBREAKABLE: Safe and unbreakable acrylic convex round lens diameter 2.75 inch. High impact nylon frame body bike mirror, durable aluminum fixture. Bar end bike mirrors, easy to mounted in minutes. SIMPLE INSTALLATION REAR VIEW MIRROR: 360 adjustable, applicable for both left and right, suitable for flat or drop handlebar. ATTENTION: FITS FOR THE HANDLEBAR WITH 0.68~0.86IN INNER DIAMETER. PLEASE REMOVE THE PROTECTIVE FILM BEFORE USING: In order to protect the rearview mirror lens, so we sticks the protective film, please remove it before using. Thank you IDEAL GIFT FOR CYCLING: Bike mirror is ideal for mountain bikes, road bikes, hybrid bikes, E-bikes, city bikes and so on.