Continental SportContact 7 is a summer tyre made in total of 66 sizes, ranging from R18 to R18 - this particular dimension is R22, which means it fits to a 22 inch/558.8mm diameter wheel. 295/30 R22 is 70mm wider than the narrowest dimension (225) and 40mm narrower than the widest one (335). This tyre profile of 30 means the sidewall height of the tyre is 30% of the tyre width (295mm), which results in 88.5mm sidewall height. In 295/30 R22, there is only one possible speed index for Continental SportContact 7 - "Y", which is good for speeds up to 300 km/h. In 295/30 R22, 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.