[Wide Compatibility]This bike mount with headlight holder, compatible with for Edge 530 830 1000 1030 130 Plus etc other for GPS computers, G / G+ GPS, GPS Computers,Varia RTL510 Radar. It is widely used in road bikes with 25.4mm and 31.8mm handlebars, enables you to easily view performance data on your edge bike GPS computer [More Versatile]Compatible with for Varia UT800 Smart Headlight, interface Sports Action Camera [ Construction]Created from plastic. It is strong enough to keep your electronics where you want them on your bicycle no matter how bumpy the terrain [Safe & Secure]We are confident that upgrading to a Cycling Mount will give you piece of mind knowing you've chosen the to securely lock and perfectly position your computer on your bike so you can focus on your goals, whether that be having fun or going fast, or both [Quick & Easy to Install]Mount on your bicycles handlebars in under 60 seconds.Convenient tool-free installation makes it very easy to install and disassemble from any Bicycle Handlebar,only need to locate and lock nut Colour:black Material:plastic Package Contents: 1 * Bicycle GPS extension bracket 2 * Reducing sleeve 1 * lamp holder Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.