Originally Posted by Camel
The Camino is doable on any bike, if your gearing is too high you will simply need to walk them more.
You can gear a Sturmey Archer AW-3 to a low gear. I don't think you'll get to 20 inches but 30 may very well be possible. Maybe someone on the forum can calculate the size of the chainring and cog needed on a 27' inch wheel to get a 30 inch first gear on an AW-3.