Pirelli Winter Sottozero 3 is a winter tyre made in total of 25 sizes, ranging from R16 to R16 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 225/50 R17 is 20mm wider than the narrowest dimension (205) and 130mm narrower than the widest one (355). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (225mm), which results in 112.5mm sidewall height. In 225/50 R17, there is only one possible speed index for Pirelli Winter Sottozero 3 - "H", which is good for speeds up to 210 km/h. In 225/50 R17, Winter Sottozero 3 usually competes against Blizzak LM-005, which is a tyre from Bridgestone with a rating of 88%, compared to 0% of the Pirelli in question. Latest test in 225/50 R17 was held by Automotorsport in 2015, where Winter Sottozero 3 received rating "Highly recommended" and finished on the 2. place. It was tested on a .
