170/60 R17 doesn't belong to the most popular dimensions for winter tyres - there are tyre models available, which can be compared to
325/30 R21,
155/60 R15,
155/65 R13. Let's break down the sizing - 60 is height of the tyre, which is calculated as 60% of the tyre width (170mm), which means the sidewall height has 102 mm. The wheel diameter is R17, which means it fits to a 17 inch/431.8mm diameter wheel. The total circumference of the tyre is mm, which is very similar to 265/45 R20
(2345.2 mm), 205/45 R16
(1856.37 mm), 265/70 R15
(2362.48 mm), 205/55 R19
(2224.56 mm), 275/35 R19
(2120.89 mm), 215/35 R18
(1909.15 mm), 275/45 R18
(2213.88 mm).
