K-Edge Gravity Cap Garmin Mount Material: [platform] 6061-T6 aluminum, [interface] co-polymer Compatibility: Garmin Edge 1000, 810, 800, 510, 520, 500, 200, 25, 20, Garmin Edge Touring/Touring Plus, Garmin Forerunner 310XT, 910XT Claimed Weight: 18 g Recommended Use: cycling Manufacturer Warranty: limited lifetime