Review on Enhance Your Cycling Setup with the K-Edge Stem Mount for Garmin Computer - Choose Adjustable or Fixed Options by Matt Larsen

Works great with a Garmin Edge 520 on a Thomson stem. I used to use the Garmin headphones that came with GPS on my previous stem, but they didn't fit my new, shorter stem. I didn't want to put the mount in front of the grille as it would be pretty vulnerable in a collision. This works great for me. The adjustment in the middle allows you to set the desired angle and holds the GPS very well. Traveled with him for about 8 months, no complaints.