I’m so glad this was an easy fix.
As you can see here, the speedometer was disconnected.
I was riding home from work and all of a sudden I noticed that the speedometer wasn’t working any more. I kept driving with traffic until I got to a safe enough place to pull over and check things out.
It took me a moment to find it, and while I was terrified of a snapped speedo cable or having it disconnected in a bad way, it wasn’t nearly that bad.
Here’s how to tighten it back up: