Elliptigo, A Treadmill-Powered Bicycle

(((After a couple of centuries of velocipede development, it's amazing that there's still such radical variety in the bicycle design space.)))

(((I'm not sure which is more surprising: that Elliptigo exists, or that it took so long to invent it.)))

http://www.elliptigo.com/

Link: E L L I P T I G O.

"The elliptiGO glide cycle combines the best aspects of running and cycling to create a fun and effective means of exercising outdoors. It has many features and benefits...."