Tire Bicycle, 700 X 28C . Gum wall tire. 50-75 PSI / 3,5-5, 25kg/cm2. Comfortable rideGum wall Tire Bicycle, 700 X 28C . Gum wall tire . 50-75 PSI/3, . Comfortable ride Gumwall color Comfortable ride Long life, for one tire Easy Mounting Low Rolling Resistance , 5-5,25kg/cm2