Universal Adjustable Convex Bicycle Rear View Mirror Mountain Bike Handlebar Mirror Cycling Bike Rearview MirrorFeature s:1.MORE SECURE - With the rearview mirrors, you can simply look ahead and see the mirror in your peripheral vision, no need to look down2.CLEARER VISION -- High quality convex mirror, unique concave mirror design provides a clearer view for user3.FLEXIBLE ROTATION -- The bracket and mirror can be rotated 360 degree depending on your needs4.SUITABLE FOR DIFFERENT BIKES -- Suitable for Kids Bike and other types of bicycles with the bicycle handlebar diameter is 1.8 cm to 2.2 cm5.EASY TO INSTALL -- Using the small spanner we give away, the installation is so easy! And the 360 degree Rotational lens can be used on left or right sides, you dont need to distinguish the sides when installingSpecification: Item type:Bike handlebar mirrorColor:blackSuitable for handlebars:diameter below 22mmSize:as the picture showWhat kind of bikes are they suitable for? Kids bike, mountain bike, bicycle and so on, suitable for all bikes with the bicycle handlebar diameter from 1.8 cm to 2.2 cmHow to distinguish left and right rearview mirror?Because of the unique 360 degree rotation design, any mirror can be placed on the left or right side, you dont need to distinguish the sides when installing.Package: 1 pcs of bike mirrors