Continental Wintercontact Ts850P is a winter tyre made in total of 13 sizes, ranging from R18 to R18 - this particular dimension is R19, which means it fits to a 19 inch/482.6mm diameter wheel. 255/50 R19 is 40mm wider than the narrowest dimension (215) and 30mm narrower than the widest one (285). This tyre profile of 50 means the sidewall height of the tyre is 50% of the tyre width (255mm), which results in 127.5mm sidewall height. In 255/50 R19, there is only one possible speed index for Continental Wintercontact Ts850P - "T", which is good for speeds up to 190 km/h. In 255/50 R19, Wintercontact Ts850P usually competes against Blizzak LM-005, which is a tyre from Bridgestone with a rating of 87%, compared to 0% of the Continental in question.
