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: Multi-Sport FPS Flat Protection System Low Rolling Resistance Pavement Tire 68a Durometer Center Tread For Long Life and 58a For Enhanced Cornering Dual Density Tread Specs:Bead: WireSize:700 x 32700 x 38Pressure: 80 PSIWeight:(32) 490g(38) 520g