Product Description Product parameters: Size: 700x23C; Pattern: H-419; Weight: 0.5 LB; Max load: 132 LB; Min pressure: 685 Kpa (100 PSI); Max Pressure: 830 Kpa (120 PSI)Speed shark for racing: Tread is designed with shark skin, featured with lower rolling resistance and increased cornering and grip compared to single compound tires, providing balance of grip and rolling resistance for cycling. Made for higher speed, increased road holding, longer wear life and lower resistance60 TPI & Durable: High traction tread, providing strong road holding, steel bead structure ensures entire tire’s durability for long-term useDuraskin: Featured with duraskin tread puncture protection, The materials of these tires are high quality rubber, nylon and Kevlar fiber, protecting the core casing of the tire from abrasion and punctures under bad road surface.Installation Tips: Since these are folding tires, they are folded in package. We recommend unfolding and placing for 1-2 days before installing. Item Package Dimensions L x W x H‎10 x 5.71 x 3.31 inchesPackage Weight‎0.59 KilogramsBrand Name‎ChaoYangMaterial‎RubberManufacturer‎‎ZHONGCE RUBBER GROUP CO., LTD.Part Number‎C21003ABSize‎700x23C Shark skin designTread is designed by shark skin, featured with duraskin puncture & sidewall protection.