Originally Posted by
Kojak
As for the Marathon Supreme tires, they are fantastic in terms of grip and rolling resistance. Schwalbe once made this tire in some sizes with a wire bead that made it reasonably affordable.
My parents bought a pair of (probably pretty cheap) folders, and I was surprised that they came stock with 20-inch Marathon Supremes. Maybe they're wire-bead, I haven't had to find out yet.