Syron Everest 1 plus is a winter tyre made in total of 14 sizes, ranging from R13 to R13 - this particular dimension is R15, which means it fits to a 15 inch/381mm diameter wheel. 195/60 R15 is 20mm wider than the narrowest dimension (175) and 10mm narrower than the widest one (205). This tyre profile of 60 means the sidewall height of the tyre is 60% of the tyre width (195mm), which results in 117mm sidewall height. In 195/60 R15, there is only one possible speed index for Syron Everest 1 plus - "H", which is good for speeds up to 210 km/h.