Giti GitiWinter W1 is a winter tyre made in total of 25 sizes, ranging from R15 to R15 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 215/55 R17 is 20mm wider than the narrowest dimension (195) and 30mm narrower than the widest one (245). This tyre profile of 55 means the sidewall height of the tyre is 55% of the tyre width (215mm), which results in 118.25mm sidewall height. In 215/55 R17, there is only one possible speed index for Giti GitiWinter W1 - "V", which is good for speeds up to 240 km/h. In 215/55 R17, Winter W1 usually competes against SNOW, which is a tyre from Kormoran with a rating of 6%, compared to 14% of the Giti in question. Latest test in 215/55 R17 was held by Automotorsport in 2019, where Winter W1 received rating "Satisfactory" and finished on the 10. place. It was tested on a Volkswagen T-Roc.