About Continental UltraSport Road Tire: Looking for an affordable road tire with exceptional durability? The Ultra Sport is a high-quality clincher for training or general riding. Wire bead. Max psi: 120. Specify: 700 x 23(310g) or 700 x 25(330g).Features:Delivers excellent handling, especially on rough road surfaces Deeper tread design for a longer service life 3-ply casing ensures a durable, comfortable and supple riding experienceSpecs:Max. PSI: 120Weight: 310g/330gSize(s): 700c x 23, 700c x 25TPI: 84Bead: Wire.