Finally, the Carbon One in stiffer spines. Used to not come in anything under 600. I was unhappy when the Redlines went away since they covered so many spines and were reasonably priced. Now, if I want to shoot straight carbon, I can get a Carbon One 410 or 450, depending on the length. Here is what Easton has now.
410, 450, 500, 550, 600, 660, 730, 810, 900, 1000, 1150