1. Material: plastic 2. All-round hook design, cant be thrown off 3. Deform at will, adjust the appropriate angle 4. 360-degree universal adjustment, horizontal and vertical screens are available 5. Does not block the screen, reserved for charging, does not affect the use of buttons 6. Mechanical locking, adjustable diameter, suitable for most electric bicycles 7. Suitable for various complex road surfaces, whether in the city, outdoors, or bumpy mountain roads, riding is still as stable as Mount Tai 8. Weight: rearview mirror bracket 225g; handlebar bracket 220g