[REC MOUNT+ REC MOUNT+] Cycle computer adapter for Garmin [R+GM]

[R+] Conversion adapter to add this adapter to the place where the smartphone case is attached to attach a cycle computer. Compatible models: Garmin: Edge130/Edge520/Edge820/Edge1030, etc. Compatibility is as of October 8, 2018 This product is exclusively for the mount and adapter of [REC MOUNT+]. Cannot be installed on other brand products, etc.