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Tyres balooning
OK I have changed my wheels and tyres but am curious what effect ballooning of the tyre wall has on aerodynamics.
original size was 205/55/16 on 6.5J rims (Skoda Ride) so sidewalls were nice and straight, wheel/tyre combo weighed 40lbs
new size is 195/65/15 on 6J rims (Audi Pepperpots) and sidewalls are ballooning, wheel/tyre combo weighs 30bls
I know the weight advantage is good but I am not sure there has been a reduction in the front on profile width of the tyre due to the ballooning of the sidewalls?
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