1. Made of high quality aluminum alloy material. 2. Convenient, reliable and easy to use. 3. Strong and stable motorcycle mount. 4. Great way to take shots of yourself or of people following you. 5. Screw thread hole is 11mm, please make sure it can be used on your rear view mirror. 6. Designed for GoPro HERO4 /3+ /3 /2 /1 / SJ4000 / SJ5000 / SJ6000 / Xiaoyi securely on your motorbike. 7. Note: It can not use for bicycle. The camera is not included.