The New Everything Company Frames (TNEC) kind of threw us when first hearing the name. But dammit if they didn't make some nice frames, so here you go. The Coconut Milk Frame can ride 60mm wheels, but a flat 58mm setup is what they recommend.
The New Everything Company Frames (TNEC) wouldn't be everything if they didn't also have some rockered frames. These frames mount 60mm max flat with a natural 1mm rocker on the outside to mimic wheel wear and give agility right out of the box.