Features: Fits all standard 2-Rail saddles including oversized carbon rails Super light, super strong mount Bicycle saddle rail seat mount for GoPro HD Hero 9 8 7 6 5 2 3 3+ 4, SJCAM, SJ4000 SJ5000 SJ6000, XIAOMI YI CAMERA, designed to lock your camera securely underneath your saddle on the rails Specifications: Material: Aluminum Size:1.0cm x 3.0cm x 6.2cm(0.39'' x 1.2'' x 2.44'') Color: Black/Red/ Quantity: 1Set(as the pictures shown) Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! CNC machining aluminum product. Clamp design allows for a multitude of mounting positions and angles. Feature securely attaches camera housing to handlebars seatposts ski poles etc. Functional and exquisite workmanship, great shock absorption. Suitable for sport camera fixed when you do some outdoor sports. Fine outdoor photography necessary to adjust the balance between sports and shooting. Mini and lightweight, convenient to carry and use. Fit for For Gopro Hero9 8 7 6 5 4 3 3+ 4s action camera For sj4000 sj5000 sj6000 action camera For Xiaomi yi 2 4K Lite camera For Sony , EKEN, etc sports camera