Kenda S6 Schwinn 26" Wire Tire Kenda S-6 Street tires fit Schwinn S-6 type rims used exclusively by Schwinn for a number of years, linear straight line tread Labeled Size: 26 x 1-3/8 x 1-1/4 PSI: 65 ISO Width (mm): 35 ISO Diameter: 597 / Schwinn S-6 Tire Intended Use: Road Tire Type: Clincher TPI: 22 Tire Bead: Wire Weight: 656g. Color: Black