Kenda Karvs 700 x 25mm Folding All Green Tire w/ Iron Cap Puncture Protection Belt. Kenda Karvs 700 x 25mm Folding All Green Tire w/ Iron Cap Puncture Protection Belt. Built tough to survive city & urban conditions of all kinds ! Fixie Skidding tire designed for all urban conditions ! Added flat protection and thicker standard rubber compound under the center tread for amazing tread life ! Continual center ridge for added speed and easy pedaling with Kenda's Proven Iron cap belt prevents flats and prolongs the life of the tire !