VeloChampion Out Front GPS Computer Handlebar Mount Compatible with Garmin 130/530/540/820/830/840/1030/1040 and Edge Explore. Suitable for Handlebars up to 35mm : Amazon.ca: Electronics
Garmin Edge 830 Review: My First Bike Computer - BIKEPACKING.com
Garmin Edge 830 GPS Cycling Computer - black | BIKE24