Foldable Bike Umbrella Mount Holder Height Adjustable Multifunction for Trolleys Wheelchairs Item Type: Foldable Bike Umbrella Mount Material: ABS Plastic+Stainless SteelStyle: Universal Type Extension Size: Approx. 45.5cm/17.9in  (Manual measurement, allowable error 1-2cm) Folding Size: Approx. 24.5cm/9.6in (Manual measurement, allowable error 1-2cm) Pipe Diameter: Approx. 22-25mm/0.8-1in (Pipes smaller than 22mm/0.8in can add gaskets) Up and Down Movement Angle: 360 degreesRotation Angle: 180 degreesApplicable Gender: Male/female Application: Suitable for a variety of models, suitable for bicycles, electric vehicles, strollers, scooters, wheelchairs, strollers, etc., but also suitable for a variety of weather, can block rain and snow, and block the sun Product Details:  1. Umbrella stand There is a screw cap, you can easily disassemble the umbrella by hand, general household umbrellas, three-fold umbrellas can be used, special sun umbrellas, long umbrellas, heavy umbrellas, and umbrella handles, please choose carefully! 2. Telescopic regulator With screw cap, user-friendly design, it can be easily adjusted by hand, and it can be adjusted by loosening the screw cap. 3. Base Installer Can be quickly detached and installed, suitable for bicycles, electric vehicles, strollers, this summer let us say goodbye to the strong sun, enjoy the shade.