>>1596734'52 Schwinn Hornet, usually any name frame before about the mid-50's will work, plus if they break, you can re-weld them. Murray built frames for lots of companies, Cleveland Welding Co. are solid, as are Shelby, Colson, Columbia. Middleweights are cool, but they often only take 2.125 tires, older bikes will usually hold fatter tires even if you leave the fenders on.