Please pay attention to the size of your bicycle stem before purchasing. We have two sizes of 36mm and 42mm bike mount. Please choose the correct size Easy to install,and the combo mount gives you easier, heads-up positioning for easier monitoring and safety Replacement for garmin edge mount fits garmin edge bike computer and gopro action camera,And fits stem bolts center distance under 38mm Lightweight and cnc machined perfect replacement for garmin gopro mount ,6061 T6 aluminum alloy material Stay ahead of the pack with replacement for garmin computer mount that lets you to take full advantage of your Edge's capabilities without compromising your ride