Originally Posted by
ColonelJLloyd
I had a local machine ship turn three of the VO adapters down to 21.1mm. I'm using one and I sold the other two.
I did exactly the same thing (but just for one, not three adapters).
The V-O adapter turned down to 21.1mm is in the center. The original 21.1mm stem is on the left, and a stock V-O adapter (22.2mm) is on the right.