The P ZERO Race TLR is focused on performance, crafted to pack all the benefits of tubeless technology, grip rolling and handling, into a race-ready all-rounder tire. SmartEVO compound uses a blend of polymers to provide maximum grip with a low rolling resistance, allowing for maximum speed and control Speedcore technology creates a Tubeless-Ready casing with multiple layers of reinforcement to provide superior puncture protection within a lightweight structure 700 x 28 and larger sizes are compatible with hookless rims, 700 x 26 size tires are not hookless compatible Hookless rims subject to ETRTO 5bar/73psi max pressure limitation