Trikes suck, I sometimes try to cruise round on them at work, but: you cant lean when you go round corners which feels real wierd, try steering your bike by just turning bars and not leaning, most roads are off camber so your constantly leaning to one side. I'm scared to get them out of first gear. If after all this you still want one the ones we make have one driven rear wheel with a free one opposite it. The axle would be hard to make so get a pashley axle off them as a spare