Features:Mirror can be adjusted in 360 degree to get a better traffic view to ensure your cycling safety. With a screw and clip mount, suitable for handles with 21-26mm diameter, easy and quick to install. High strength plastic mirror frame and resin mirror, sturdy, resistant to shock and durable for years of use. With light reflector that can reflect light from coming car to alert driving safety. Let you ride bike safer, nice accessory for cycling lovers.Specification:Material: Plastic + Resin Color: BlackOptions: Right side; Left sideSuitable for Handlebar: 21-26mmMirror: Approx. 11.2 x 4.2 cm / 4.41 x 1.65 inchTotal Size: Approx. 17.5 x 8 x 3 cm / 6.89 x 3.15 x 1.18 inchWeight: Approx. 164-165gPackage List:1 * Bike Rear MirrorNote:Please remove the protective film of the mirror before use..