This summer tire from comes with a diameter of 20", a profile of 0% and a width of 235 mm. The wet grip is a class B, which describes the tire's ability to brake in wet conditions.
From Protyre
235/45R20 100V XL Pirelli P Zero PZ4 235/45R20 100V XL VOL | Protyre - Car Tyres
The product is available from £185.74 at international stores.
Tirendo
Pirelli P Zero PZ4 LS ( 235/45 R20 100V XL Elect, VOL )