Originally Posted by phughes

A two speed system will be a hard sell, unless it is extremely simple, and more importantly, inexpensive compared to other options. If it can unobtrusively replace a single speed hub, without altering the frame or hanger, a market may be found there. So, good luck. If you think you actually have something, then go for it. People are not going to commit to buying something, or even tell you it is a good idea based on some nebulous fairy tale. Make a prototype, demonstrate it, and let people see it, otherwise all this is is speculation at best.