High-definition large mirror of bicycle rearview mirror: a set of rearview mirror contains two mirrors, the length of the lens is 11.3 cm, and the scope of application is wide: it is suitable for handlebars with an outer diameter of 22mm (7/8 inches) (please measure before purchasing) (mirror without radian)Quality Upgraded Bike Mirror: Adopt automotive grade glass lens, strong impact-resistant nylon and fiber frame with high hardness. (no wide angle)360 swivel and adjustable bicycle mirror: the bicycle mirror can be adjusted to any angle, and with the help of the rotating mirror, it is possible to observe the road traffic from almost all angles behind (3D horizontal bicycle mirror)Wide range of uses: The bicycle mirror comes with a mounting key and screws, which can be easily installed on the handlebar, so it is very suitable for all bicycles. Bike mirrors are suitable for mountain bikes, road bikes, dirt bikes, electric bikes, touring bikes, exercise bikes, electric scooters and more.EASY TO INSTALL: When installing the electric bike left rear view mirror, use a 4mm Allen key to fix the reliable stainless steel screw on the bike handlebar and tighten to ensure a secure closure.package includes2pcs HD Bike Mirrors2 wrenches