Specialized's Borough Armadillo Tire is a versatile performer that's ready for smooth country lanes, bumpy city streets, dirt roads and ride-everywhere fun! It features a smooth-running center section for easy speed and a minimal array of hard-biting shoulder knobs that provide traction and stability for riding and cornering on rougher surfaces. Specialized's Armadillo technology provides great puncture protection and long-wearing durability so you can keep turning out the miles.