This stylish mount allows you to take full advantage of all the robust data that your edge provides the edge is out in front of you for easier heads up positioning and increased safety fits 318 mm bars compatible with edge 200 500 800 and forerunner 310xt 910xt with the quick release kit weighs just 26 g made from impact resistant plastic please note for the mount to work with the forerunner 910xt or 310xt you must remove the screws from the bottom rotate the inner mount and r