Serfas Seca 700x23 Wire Bead Tire Pair Blue 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")