Continental SportContact 6 305/25 R21

Continental SportContact 6 is a summer tyre made in total of 222 sizes, ranging from R18 to R18 - this particular dimension is R21, which means it fits to a 21 inch/533.4mm diameter wheel. 305/25 R21 is 70mm wider than the narrowest dimension (235) and -10mm narrower than the widest one (295). This tyre profile of 25 means the sidewall height of the tyre is 25% of the tyre width (305mm), which results in 76.25mm sidewall height.