Originally Posted by TejanoTrackie

Well, IDK about that Super Zen, but I can tell you that the regular Zen on the 75 DD crankset you sold me has got to be the smoothest and roundest chainring I've ever owned. Even though the gearing was the same, my Pista Concept felt like it was self-propelled with that thing.

Originally Posted by Scrodzilla

Right? Every Sugino 75 or Zen chainring I've ever used or seen has been extremely precise and smooth.