Originally Posted by chaadster

That model is called the Nano, and while the component spec is lousy, all of it can be adjusted to work properly. Yes, I changed out almost everything on mine, save for derailleurs, but not because it didn't shift properly. Any competent mechanic can get it shifting fine.

You'll want to familiarize yourself with this thread: http://www.bikeforums.net/folding-bi...de-thread.html