Pirelli P ZERO Race TLR Tire - 700 x 26 Tubeless Folding Red Label SmartEvo SpeedCorePirelli P ZERO Race TLR Tire 700 x 26 Tubeless Folding Red Label. 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