IME, it's really hard to look down that far...it doesn't seem like much, but ahead of the bars is best, at the bars is ok, but behind and on the stem is painful IME. I do it for expedition, but I don't like it.I prefer a mount on top of my stem. Czech out k-edge
https://k-edge.com/shop/computer-mounts/garmin-mounts/gravity-top-cap-mount/