Panaracer T-Serv Protite Tire - 700 x 35 Clincher Folding Black 60tpi. An urban favorite thats also getting lots of use by gravel riders. ProTite technology enhances the tire casing to improve puncture resistance without a separate belt that would increase rolling resistance.ProTite is a proprietary additive that adheres to the casing and provide 25% more puncture protection than Panaracers previous technologyZero Slip Grip Natural tread compound integrates more natural rubber to decrease rolling resistance and increase tread wear life400D Lite Extra Cord technology increases side-cut resistance while improving the rigidity during cornering