Originally Posted by krazyderek

i remember a couple years ago when oliptical chain rings came out they where pretty big, but i seem to also remember that they died out pretty fast too as many people developed knee problems from them.

I just saw a clip of CSC evan basso that zoomed in on his front chain rings that were clearly oliptical. Can anyone confirm this???? Maybe it was an old clip, but i thought it was a new interview from this spring.