3x8 will work if you set the limits properly as @freezing77 says. Any Shimano 8-speed shifters will work (both road and mountain) as they all have a derailleur pull ratio of 1.7.
You could also use downtube/bar-end shifters, there's plenty of 8-speed indexed ones about.
3x8 will work if you set the limits properly as @freezing77 says. Any Shimano 8-speed shifters will work (both road and mountain) as they all have a derailleur pull ratio of 1.7.
You could also use downtube/bar-end shifters, there's plenty of 8-speed indexed ones about.