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Tires: seven curiosities from the era of extremes

From the biggest to the most expensive, meet seven superlatives from the world of tires

At the Geneva Motor Show in March, Pirelli presented its first tires with sensors that “talk” to a mobile phone application, providing a lot of information to the driver: wear, pressure, temperature, ideal exchange time etc.

They will debut in the US this year, on the Connesso line, for sports cars. Many cars already warn when the tire needs to be calibrated, but not when it is changed or if the temperature is too high under certain driving conditions.

The use of such applications is already common in heavy-duty vehicle fleets, but it was taking a long time to get to the passenger cars.

The world’s largest

If you’ve found the Bugatti Chiron tire kit expensive, know that your set costs the same as a single Caterpillar 797F mining truck tire, the most monstrous of today. The 59/80 R63 models, made only by Michelin and Bridgestone, are 4 meters tall and cost an average of US $ 42,500.

In the photo, a good reference of his greatness: the former basketball player Shaquille O’Neal (2.16 m) barely passes the half.

The widest

The revamped Lamborghini Aventador S, launched earlier this year, has the widest rear tires among series production cars. They are 355 mm in their two Pirelli P Zero of the rear axle. The measure has already been used in the Aventador of the previous generation, in the special series SuperVeloce, limited to 600 units.

And the Lambo is not alone in that: the Bugatti Chiron has the same width in its tires Michelin Pilot Sport Cup 2S 355/25 ZR21 rear.

Another sporting rear-end tires capable of rivaling those of the European duo is the Dodge Viper, a North American coupe that is no longer being produced after five years of its second incarnation.

But none of them beat the record of the late Bugatti Veyron, which was fitted with 365mm wide rear tires on the tread.

The most exclusive

The personalization wave begins to reach the segment of tires for super sports models. The newly launched Pagani Huayra Roadster uses a Pirelli PZero Corsa 21-inch set in the rear and 20-inch front. The detail is that its design was developed in conjunction with Horacio Pagani, owner of the Italian brand.

Therefore, each tire was toasted with the “HP” logo on the side. Whoever joined this fashion was the amazing Dodge Challenger STR Demon (pictured above), which has just been shown at the New York Motor Show. At the edge of each tire you can see the picture of the little devil, symbol of the version that surpasses in performance the already hellish Challenger Hellcat.

The smaller

The English Wind-Up is the smallest car in the world allowed to run on the street. With 1.32 meters in length, 1.04 in height and 66 cm in width, it has 150 cm3 engine and takes only driver.

Its tires are rim 8, 8.9 cm back band and 6.4 front – the rear are the 1970s Honda Monkey scooter, and the front, the Brockhouse Corgi motorcycle used by the British military in the 1940s and 1950s. The Wind-Up is not for sale: it was built just to enter the Guinness Book.

The most expensive

In addition to having one of the widest tires among the standard cars, the Bugatti Chiron holds another impressive record: the most expensive car tires on the planet. The Michelin Pilot Sport Cup 2S exclusive game costs $ 42,000, equivalent to a full VW Golf R in the US.

It’s expensive even for those who can afford to shell out $ 2.6 million for the French supersport. To complicate matters, the manufacturer suggests that in the third tire change, the wheels (20 inches in the front and 21 inches in the rear) are also replaced.

The most exotic

Have you ever imagined tires that have in their composition a mixture of egg shells and tomatoes? Scientists at the University of Ohio have found that these shells, largely discarded by the food industry (and an ecological problem in itself, since they often go to landfills), can replace some materials, particularly carbon black oil used to produce The rubber that gives them the black coloration.

Tests have shown that there is no loss of performance characteristics. Scientists are now working to darken the reddish-brown color of these tires, so they look more like traditional black models. If they get revenge, it will not be something 100% unheard of: Yokohama has used orange peel oil on some of its green tires, replacing certain petroleum compounds.

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