The mirror housing is made of durable, impact-resistant PA material that minimizes vibration and protects the handlebar. Weight: about 200 g Model: 26210007001 Material: PP (coating) + acrylic (lens) Fits handlebars with a diameter of 21-26mm mounting on the side: RIGHT Description: Light, Rotates 360 degrees, Fits most handlebars Easy to install and use. Included in the set: 1 x Bicycle mirror 1x mounting clamp 2 x Allen key A MIRROR INTENDED FOR THE OTHER SIDE OF THE HANDLEBAR IS AVAILABLE IN A SEPARATE AUCTION. The bicycle mirror is equipped with professional mirror glass that provides very clear visibility and a wide viewing angle. Both the mirror surface and the mirror arm can be adjusted 360°, allowing for perfect adaptation to the user's needs, and the ability to extend the mirror relative to the bracket axis allows for more precise visibility adjustment. To install, use the Allen keys (included) and then tighten. This bicycle mirror fits handlebars with a diameter of 21mm-26mm. It can be attached to scooters, city bikes, mountain bikes, e-bikes, and more. The anti-glare design effectively reduces glare, including glare from rear lights. This allows for safer driving at night.