Continental Spike Claw MTB Bicycle Tire (26x2.1--240 Studs) SPECIAL SNOW TIRE- Made for snow and ice, keeping you rolling all winter long. SPIKED TREAD- The winter tread pattern features either 120 or 240 spikes. DURABLE CASING- The Nordic features long lasting tread and a durable casing for sporty riders. HANDMADE IN GERMANY-Continental has been hand making their tires since 1871, maintaining the integrity of tradition, while evolving with the most advanced technology. HARDENED STEEL- Each of the studs found in the Nordic tread is 100% hardened steel.