Using experience from World Tour racing teams Mitchelton-SCOTT and Trek-Segafredo, coupled with a constant desire for excellence, the Pirelli engineers have developed the best performing tyre ever concieved by the iconic brand.The P ZERO™ Race TLR SL is crafted to pack all the benefits of tubeless technology, grip, rolling and handling, into a race-ready all-rounder which outperforms anything we have done before, tubulars included. After three years of development working with the fastest racers at the World Tour level, Pirelli designed this new tubeless-ready tyre with the new SmartEVO compound to provide our Pro Riders, as well as yourself, with the best Pirelli tyre ever made!Key BenefitsLow rolling resistance,Dry & wet grip,,Supreme comfort,Puncture protection,Mileage longevity,Superior handling for extreme safety feeling..TechnologySmart Evo Compound - Latest generation blend of smart polymers to provide maximum grip with a low rolling resistance = Faster coupled with better control on any road or surface,Techwall Road - New TLR casing technology with an added layer of reinforcement to provide superior puncture protection in a lighter structure = Ultra high performance race-day tyre with a best in class rolling to protection ratio,Tubeless Ready - Rim compatibility developed under ETRTO standards and for modern wide rims.OptionsSizes: 700x24, 26, 28, 30c,Casing: 120tpi, TLR,Tech: Techwall,Compound: SmartEvo,Weight: 24c > 230g, 26c > 245g, 28c > 275g,Optimal Internal Rim Width: 24c > 17mm, 26c > 19mm, 28c > 19mm.