Continental Conticrosscontact Uhp 305/30 R23

Continental Conticrosscontact Uhp is a tyre made in total of 39 sizes, ranging from R16 to R16 - this particular dimension is R23, which means it fits to a 23 inch/584.2mm diameter wheel. 305/30 R23 is 90mm wider than the narrowest dimension (215) and 0mm narrower than the widest one (305). This tyre profile of 30 means the sidewall height of the tyre is 30% of the tyre width (305mm), which results in 91.5mm sidewall height.