I hooked up bar end mirrors, but I don't really like the look with the stock handlebars. I'm looking at drag bars, but I can't find any images of Street twins with different handlebar set ups. Has anybody swapped for drag bars that can share photos? How about tracker bars?
Try BAAK in France. Good quality kit we often fit to our custom builds at Woburn. https://www.baakmotocyclettes.com/en/87-street-twin-street-cup