The Circle City Bicycles blog contains info on bicycles, cycling events, pro racing, bicycle touring, and just about anything else cycling related. Since our bike shop is located in Indianapolis, we focus on biking in the Midwest, but cycling fans anywhere in the world should find this blog interesting. We try to post daily Monday through Friday, but we occasionally miss a day. Each Friday we try to have an interesting bicycle related photo.
Here's another one of those weird but practical bicycles. It was designed by three cyclists from Chile and is now manufactured by Yerka. The image above has not been Photoshopped and it's not an optical illusion. The frame really does encircle the tree. This is done by the following steps. The top and bottom portions of the down tube pivot outward. The seat and seatpost are removed, then slid through a hole in the top section of the down tube. The end of the seatpost goes into the bottom section of the down tube where it is secured by a keyed lock. The process is best explained by looking at this video: