Buying the whole line? Do it here in one click and save yourself 5%! Next generation of Rex fluoro-free race glide wax, NFX is a step up from the NF-Series. The NFX-Line of powder use a handful of new Rex technologies to speed up fluoro-free waxes such as micronized Power Polymers, and N-Kinetic Level 3 (increased glide properties and dirt repellence).