285/40 R21 Pirelli P ZERO Corsa variants
Pirelli P ZERO Corsa is a summer tyre made in total of 36 sizes, ranging from R19 to R19 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 285/40 R21 is 60mm wider than the narrowest dimension (225) and 40mm narrower than the widest one (325). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (285mm), which results in 114mm sidewall height. In 285/40 R21, there is only one possible speed index for Pirelli P ZERO Corsa - "Y", which is good for speeds up to 300 km/h.
Pirelli P ZERO Corsa is made in 36 sizes, starting from 225/35 R19 up to 325/35 R22.