275 40 ZR20 Pirelli Rosso 106Y XL (N1) Tyres The Pirelli Pzero Rosso Asimmetrico 275/40 ZR20 106Y (XL, N1) is an ultra-high-performance tyre suited for on-road driving. The innovative rubber mix used in this tyre provides outstanding resistance to shocks and impacts. It drastically lengthens tread life. It is fitted on prestigious vehicles. (Ferrari, Porsche, Lamborghini) and was designed in close partnership with car manufacturers.