Serfas Seca Road Bicycle Tire - Wire Bead (Grey - 700 X 23) Feature our FPS or Flat Protection System The ultimate training or commuting tire 60 Durometer center tread for long life 130 PSI Capacity Weight Average: 300g (23) 315g (25) 330g (28) 360g (26"X1.25") 370g (27"X1.25")