Falken EuroWinter HS02 Pro 235/45 R21

Falken EuroWinter HS02 Pro is a winter tyre made in total of 82 sizes, ranging from R16 to R16 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 235/45 R21 is 10mm wider than the narrowest dimension (225) and 50mm narrower than the widest one (285). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (235mm), which results in 105.75mm sidewall height.