* ZSG GRAVEL compound Featuring a specialized gravel specific compound crafted from our proprietary ZSG (Zero Slip Grip) material. ZSG ensures remarkable resistance to temperature and weather fluctuations, ensuring consistent rubber performance across a spectrum from near freezing to scorching temperatures performs lower Rolling Resistance and Grip for both Gravel and Tarmac.* TuffTex boasting a supple, high thread count casing fortified with precisely engineered bead to bead puncture protection.* BeadLock Our redesigned bead 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 pump.