Continental EcoContact 7 285/45 R21

Continental EcoContact 7 is a summer tyre made in total of 64 sizes, ranging from R16 to R16 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 285/45 R21 is 90mm wider than the narrowest dimension (195) and -10mm narrower than the widest one (275). This tyre profile of 45 means the sidewall height of the tyre is 45% of the tyre width (285mm), which results in 128.25mm sidewall height.