Canyon Aeroad SP0077 - Garmin Varia | Bryton Gardia | Magene L508 | Wahoo Trackr Radar Halter / Mount

How do I install the Garmin mount?

Here is the guide on how to properly attach the Garmin mount to your seatpost.
Instructions
Garmin Varia RCT 715/716 Adapter Quaterlock

How do I install the Quaterlock adapter?

Here you can find the instructions for mounting the adapter on your Garmin Varia 715 / 716.
Instructions