Features: Brand new and high quality Mounting bracket kit designed for motorcycles and bicycles. Compatible with Hero/Insta 360 One/One X/OSMO sports cameras. Use this kit to attach your camera to handlebars or mirror stems of various diameters. Made of high-quality ABS and metal material, stable and practical. The quick-release base allows you to quickly install or remove the camera, which is very convenient to use. Suitable for various outdoor occasions or activities, such as racing, cycling, biking, etc. Specifications: Material: ABS + metal Type: Small tube diameter/large tube diameter/rearview mirror mounting bracket/strong clamp/M10/M8 (optional) Small tube diameter range: 9.5-16 mm/0.37-0.62 inches Large tube diameter range: 11-37 mm/0.43-1.45 inches Rearview mirror mounting hole: 10 mm/0.39 inches Note: Small tube dia-bracket/handlebar bracket/rearview mirror bracket/u-clamp/M8 ball head/M10 ball head mounting kit are available, please choose what you need according to the options. Please allow 0-1cm error due to manual measurement. Make sure you don't mind before ordering. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1-piece motorcycle mounting kit