Continental ContiWinterContact TS 830P is a winter tyre made in total of 101 sizes, ranging from R15 to R15 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 245/35 R19 is 50mm wider than the narrowest dimension (195) and 10mm narrower than the widest one (255). This tyre profile of 35 means the sidewall height of the tyre is 35% of the tyre width (245mm), which results in 85.75mm sidewall height. In 245/35 R19, there are 2 possible speed indexes for Continental ContiWinterContact TS 830P - "V","W", which are good for speeds up to 240, 270 km/h.