Continental Grand Sport Race 700X 23/25/28/32 TireThe Continental Grand Sport Extra road tire is a high-performance tire designed for cyclists who participate in cycle tours. Continental Grand Sport Race 700X 23/25/28/32 TireA flexible 180 tpi carcass provides great roll, handling and grip with new NyTech protector technology to offer increased puncture resistance and a 3-ply sidewall making it a real choice for long miles training, or for touring bike rides. epics of spring and fall.Features:● Size: 700.● Recommended PSI: 110.● Max PSI: 120.● Layers / TPI: 3/180.● Compound: PureGrip.● Puncture protection: NyTech.● Heel: Foldable.● Weight: 230gREF: 0150001