Esoteric gearing/hubs are really expensive. I have an internally-geared bike, and the rear wheel/hub is already 1/2 the cost of the entire bike... and that's mo

Esoteric gearing/hubs are really expensive. I have an internally-geared bike, and the rear wheel/hub is already 1/2 the cost of the entire bike... and that's more or less using tech that was originally developed in 1957.