235 45 ZR17 Pirelli XL Nerogt 97Y Tyre P ZERO™ NERO GT 235 45R17 Long lasting sport performance P ZERO NERO™ GT is the UHP tyre for consumers who want to fit Pirelli on their medium-large sedans and sporty cars. Materials and tread design have been optimized the compound has a balanced content of silica in order to enhance wear resistance without compromising the sportive feeling of the product in both dry and wet conditions.