Well, that's it for a little while. Now I have to ride it for a bit to see what needs tweaking.
For the time being I just added bicycle tubes as bar tape because I'm not sure how I will like the narrow bullhorns for steering while mtbing. On gravel they are fine. Once I make a decision I'll pretty that up.
I also don't like the carbon stem spacers and black stem. I added the spacers because I had them on hand but it introduces another material element that complicates the look. I'm going to source some aluminum ones to better match the seat post. I can take most of the black coating off the stem with easy off oven spray and buff it so it has a colour similar to the frame tubing. Otherwise, I like the transformation of my Barbarian 2x2.