Gripmax Status AllClimate is a allround tyre made in total of 62 sizes, ranging from R13 to R13 - this particular dimension is R22, which means it fits to a 22 inch/558.8mm diameter wheel. 275/40 R22 is 120mm wider than the narrowest dimension (155) and -30mm narrower than the widest one (245). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (275mm), which results in 110mm sidewall height. In 275/40 R22, there is only one possible speed index for Gripmax Status AllClimate - "W", which is good for speeds up to 270 km/h.