265/70 R19 doesn't belong to the most popular dimensions for winter tyres - there are 0 tyre models available, which can be compared to 155/60 R15, 170/60 R17, 160/60 R14. Let's break down the sizing - 70 is height of the tyre, which is calculated as 70% of the tyre width (265mm), which means the sidewall height has 185.5 mm. The wheel diameter is R19, which means it fits to a 19 inch/482.6mm diameter wheel. The total circumference of the tyre is 2681.66 mm, which is very similar to 275/65 R18(2559.46 mm), 255/70 R18(2557.88 mm), 235/85 R16(2531.81 mm), 265/75 R16(2525.53 mm), 265/70 R17(2522.07 mm), 285/65 R17(2520.5 mm), 265/65 R18(2518.61 mm). There are multiple speed indexes available for winter tyres in 265/70 R19: J(km/h), K(km/h), M(km/h). The same goes for weight indexes: 140, 143.