These summer tyres from Pirelli comes with a diameter of 21", width of 245 mm and a profile of 40%. The speed index is Y (300 km/h), and describes the maximum permissible speed of the tire.
From Protyre
245/40R21 100Y XL Pirelli - P Zero PZ4 - Car Tyres - - Low Noise Tyres - Protyre
Tirendo
Pirelli P Zero PZ4 LS Run Flat ( 245/40 R21 100Y XL *, runflat )
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