Serfas Helix Triple Compound Folding Road Tire 700 x 23.

• Consistently gets compared to tires that cost twice as much. Serfas' best performing Road Tire bar none. • Triple Compound Construction • F.P.S. Flat Protection System • The Ultimate Road Performance Tire • 70 Durometer Center Ridge for long life and less rolling resistance • Progressive 58 and 50 Durometer side walls for great handling in corners • 120 TPI • Folding Bead 700 X 23 • 200 grams • 130 PSI Capacity •