LazyBone: Stem Cap MountThis is it, the lightest mount for a Garmin Edge 20, 25, 200, 500, 510, 520, 800, 810, 820, 1000 and 1030 at 3 grams. It's half the weight of the OEM mount, more secure, protected, centered and a better view angle. Includes integrated tether attachment loop. Mount it and forget it. . LazyBone fits all 1- 1/8th diameter steer tubes and is carbon safe. It will accommodate most low or normal stem cap profiles.