Gripmax Pro Winter 295/30 R21

Gripmax Pro Winter is a tyre made in total of 131 sizes, ranging from R16 to R16 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 295/30 R21 is 120mm wider than the narrowest dimension (175) and 30mm narrower than the widest one (325). This tyre profile of 30 means the sidewall height of the tyre is 30% of the tyre width (295mm), which results in 88.5mm sidewall height.