Bar Fly 3.0 MTB/CX Bicycle Computer Mount for Garmin GPS Mounts Garmin Edge series computers behind the faceplate of the stem for increased stability and protection Absolute click when computer is locked into position Includes 2 mounting positions on one mount optimized for all Garmin Edge computers (200/500/510/800/810) Color may vary - comes in Black and Orange 31.8mm diameter clamp