
Usually, steering with the single wheel on a tricycle is a good way to make it unstable. However, some folks in Amsterdam don't seem to mind. Check this out - rear wheel steered bakfiets.




But, clearly something that's needed on a cargo bike.
Look at that price. This might be a great car-replacer for urban citizens. Do all your shopping and errands by bike. It's also a much more svelte way of making the bike ridgid for loading, as compared with the traditional center stands, like what you'll find on many cargo bikes like the Bilenky.



This is a Surly Big Dummy with Large Marge rims seen at a cyclocross race apparently owned by this dude.