SerfasA(R) MEO Series Vida Hybrid tires deliver confidence inspiring grip on both pavement and loose surfaces like dirt and gravel. Wire Bead - 30 TPI Hybrid Tread Design SerfasA(R) Tires are covered by our 30 Day Warranty which guarantees a product free of defects in material and/or workmanship up to 30 days after purchase. This warranty does not apply to damage due to heat, environmental factors, misuse, or negligence. *Tire purchase must be from authorized SerfasA(R) retailer for eligibility. Features: Low Rolling Resistance Pavement Tire Hybrid Tread Design 68 Durometer Center For Long Tread Life, 58 Durometer Outside Tread For Enhanced Cornering Grip Specs: Wire Bead 30 TPI Sizes: 700 x 32, 80 PSI 700 x 38, 80 PSI Disclaimer: Tube Must Be Used Inside Of Tire