features: 1. Fine Workmanship: The aluminum alloy part of the product adopts CNC integrated anodized process. The ball head is made of premium material. It uses fine workmanship, not easy to slip. 2. Hard and Firm: Comfortable texture and smooth rotation give you the best shooting experience. Very suitable for photography enthusiasts. 3. 360 Degrees Rotation: You can cleverly use the knob to tilt your head in any direction and rotate 360 degrees for panoramic photography. 4. Easy to Install: The ball head is 1 inch in size, easy to install, stable and non-slippery. 5. Compatible for: Suitable for most bicycles, motorcycles, scooters, electric vehicles and very suitable for outdoor cycling sports recording. 6. Descriptions: Mounting Handlebar Base, made of premium materials, has comfortable texture and smooth rotation. Very suitable for photography enthusiasts. Specification: Material: Plastic Material: Aluminum alloy and rubber Arm length: 6cm,9cm,15cm For Choice Ball holder diameter 1 inch, on both ends 25mm Ball Head Supports 1.4-4cm Range Clipable Range: Maximum Fixing Range: 4cm Minimum Fixing Range: 1.4cm Features: 1. The size of the ball head is about 25mm/0.98in, and the connecting rod can be set in 1 inch. 2. Universal rotating ball head is compatible with various connecting rods/brackets. 3. 360rotating rubber round head can be fixed and used with a variety of connecting rod brackets. 4. Easy to install. Install on the rearview mirror base/tube-shaped round hole, etc. (DIY installation) 5. Compatible with motorcycle/ATV handlebars and body installation. (Any position that can provide screw holes of the same specification) 1 inch ball joint rod: 1. Multi-purpose, commonly used outdoors. Compatible with a variety of equipment, mobile phone holders, cameras, walkie-talkie holders and other equipment (users can DIY by themselves). 2. Suitable models: For bicycles, motorcycles, scooters, common models, Suzuki GSX250, GSX250R, Apulia GPR125, GPR150, KawasakiNINJA400 and other equipment.