Koroao Sports Bike out-front Mount Set For Garmin Edge 25 200 500 510 520 800 810 1000 GPS and Gopro Hero and Sony Action Cameras (Black, For Gopro Hero 2 3 3+ 4) Compatible with Garmin Edge series 25 200 500 510 520 800 810 1000 GPS. Rock solid, stiff & secure grip. This is not the inferior cheaper style that snaps when you do this, or in cold weather! Kit pieces: 7pcs. Sits in front of your stem/bar so you can look at your Garmin easily, keeping your eyes on the road/trail as well. Compatible with computers with 1/4 turn twist lock interface. Basically it's used for Garmin with 1/4 turn twist lock surface. 1 year Warranty. Get Full refund or new replacement for any quality problem.