285/40 R21 Continental Wintercontact Ts860S variants
Continental Wintercontact Ts860S is a winter tyre made in total of 48 sizes, ranging from R16 to R16 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 285/40 R21 is 90mm wider than the narrowest dimension (195) and -70mm narrower than the widest one (215). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (285mm), which results in 114mm sidewall height. In 285/40 R21, there is only one possible speed index for Continental Wintercontact Ts860S - "V", which is good for speeds up to 240 km/h.
Continental Wintercontact Ts860S is made in 48 sizes, starting from 195/55 R16 up to 215/45 R91.