The problem with having a lot of time on your hands while recovering from medical stuff is you spend a lot of time on eBay. I found these mirrors for 20 bucks. They are for a Suzuki SV1000 motorcycle.
I put a set of mirrors on the cat back in 2013. The problem is I park the cat in an 8' wide storage container. The cat is about 6 feet wide across the tracks and a little over 5 feet across the cab. Due to my ample girth, I have to get it as far to the right hand side as possible in order to get out the door and side step along the side to get out of the container. A skinny young friend once parked it in the middle. I had to go in the back door and climb over the engine and shifter to get in. He must think I'm thinner and more agile than I am.
The tracks are wider than the body, but not enough to keep from peeling the mirror off the right hand side driving through the door. (Been there, done that.)
These mirrors have an arm that allows the mirror to fold down to where it is less wide than the track so it can't be torn off. I put some index marks on it so it can be positioned to the same spot every time. Now I just have to remember to lower it .
It is also streamlined for high speed.