The GravelKing ZX R is ready for riders focused on winning, and pursuing every possible weight advantage. The ZX R model is a dedicated racing tire, developed with a clear emphasis on minimizing weight.Ideal for gravel, dirt, and rough pavementTuffTex boasts a supple, high thread count casing fortified with precisely engineered bead-to-bead puncture protectionBeadLock is engineered to accommodate a broader range of rims, including both hookless and clincher types. In most instances, mounting the tire can be effortlessly achieved with a standard floor pumpZSG GRAVEL Compound is crafted from a proprietary ZSG (Zero Slip Grip) material to ensure remarkable resistance to temperature and weather fluctuations. This consistent rubber performance across a spectrum of temperatures provides lower rolling Resistance and improved gripFolding (Aramid) BeadTubeless and Hookless CompatibleItem SpecificationsColorBlack/AmberDefined ColorBrownFlat ProtectionTread and SidewallISO Diameter622 / Road / 29"ISO Width (mm)40Labeled Size700 x 40PSI60Tire BeadFoldingTire Diameter700cTire Intended UseGravelTire TypeTubeless Ready ClincherWeight510 Panaracer GravelKing ZX R Tire Tires EAN: 4931253036507