Originally Posted by SethAZ

Have you ever read this article? Your brake rub is exactly what he's describing about halfway down. If this article is correct your problem isn't that your rim isn't stiff enough, it's that it's too stiff and your 24 CX-Rays can't keep the rim from tilting (not bending) in the curves. Maybe CX-Sprints would have just that little bit extra stretch resistance to keep the rim from rubbing the brakes, or maybe four more spokes would do it. I think that article was written specifically to contextualize wheel stiffness in situations exactly like yours.