HD convex mirror for safer driving. The bicycle rear view mirror has a high-resolution lens that is glare-free and without distortion, provides a clearer view and improves safety when cycling. Please note: Please remember to remove the surface protective film before use. Full angle adjustable: the 360 degree rotating design allows this mirror to be fully adjusted to the reversing angle you need, and better adapts for use in any direction. If you use this mirror, you can easily see the road conditions behind you without looking back. Solid, durable, long-lasting: the mirror is made of high-quality nylon resin, which is impact resistant and environmentally friendly. The solid structure ensures that this mirror can be used for a long time. Even if you drive downhill, this mirror does not shake or crack. Easy assembly. Align the inclined surface so that it is connected. - Please note: The screws cannot be tightened at the moment. - Insert the expansion screw into the handlebar plug. - Tighten the stretch and adjust it to the desired position (5 mm hex included). Wide application: this mirror is universally applicable and suitable for both the left and right side. It is suitable for flat handlebars with an inner diameter of 17.4 mm to 22 mm. Ideal for a variety of bicycles such as road bike, mountain bike, BMX, city bike, motorcycle, e-bike etc.