Originally Posted by
Ogsarg
I use a take-a-look mirror on my road bike. It attaches to your glasses and is very effective. I don't ride without it...or at least not on the road.
https://takealookactive.com/
+1 for the Take-a-Look glasses-mounted mirror. It's small and light, and a slight turn of my head scans everything behind me; no blind spot. The slight neck turn to scan isn't enough to aggravate the arthritis in my neck.