Ring Shape Bicycle Aluminum Alloy Mobile Phone Holder Motorcycle Navigation Bracket(Black)

1. Invisible ring shape, simple and beautiful without taking up space
2. All made of aluminum alloy, matte texture, durable
3. 11mm thick body, stable installation and anti-shake
4. The spring wings can be retracted and adjusted, and the clamping is stable
5. It can be rotated 360 degrees, and supports horizontal and vertical screens
6. Material: aluminum alloy
7. Applicable models: suitable for mobile phones with a width of 40-90mm
8. Applicable bar diameter: 18-38mm
9. Weight: about 171g