Roadstone Winguard Sport is a winter tyre made in total of 16 sizes, ranging from R15 to R15 - this particular dimension is R17, which means it fits to a 17 inch/431.8mm diameter wheel. 205/45 R17 is 20mm wider than the narrowest dimension (185) and 70mm narrower than the widest one (275). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (205mm), which results in 92.25mm sidewall height. In
205/45 R17, Winguard Sport usually competes against
Blizzak LM-005, which is a tyre from
Bridgestone with a rating of 87%, compared to 5% of the
Roadstone in question.
