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235/45 R17 Toyo Observe Winter Sport 1 variants
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Toyo Observe Winter Sport 1 is a winter tyre made in total of 7 sizes, ranging from R17 to R17 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 235/45 R17 is 20mm wider than the narrowest dimension (215) and 10mm narrower than the widest one (245). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (235mm), which results in 105.75mm sidewall height. In 235/45 R17, there is only one possible speed index for Toyo Observe Winter Sport 1 - "V", which is good for speeds up to 240 km/h. In 235/45 R17, Observe Winter Sport 1 usually competes against WR Snowproof P, which is a tyre from Nokian with a rating of 67%, compared to 65% of the Toyo in question.
Toyo Observe Winter Sport 1 is made in 7 sizes, starting from 215/55 R17 up to 245/45 R18.
