Continental SportContact 7 is a summer tyre made in total of 66 sizes, ranging from R18 to R18 - this particular dimension is R20, which means it fits to a 20 inch/508mm diameter wheel. 245/30 R20 is 20mm wider than the narrowest dimension (225) and 90mm narrower than the widest one (335). This tyre profile of 30 means the sidewall height of the tyre is 30% of the tyre width (245mm), which results in 73.5mm sidewall height. In 245/30 R20, there is only one possible speed index for Continental SportContact 7 - "Y", which is good for speeds up to 300 km/h. In 245/30 R20, SportContact 7 usually competes against Ultrac Vorti, which is a tyre from Vredestein with a rating of 87%, compared to 100% of the Continental in question.
Relevant tyre tests in same or similiar dimension (245/30 R20)
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