225/70 WR 15 Michelin XWX

225/70 WR 15 XWX Tyres

225/70VR15 Michelin XWX is an unusual tyre size. There are few cars that fitted this tyre; the rear of Ferrari 512 Berlinetta Boxer and some Ferrari Daytona have wider 9" rims to fit this tyre. Though the recommended rim size for these tyres is between 6" and 8" the Ferrari 512 BB left the factory with these tyres fitted.

The Aston Martin V8 fitted the size 225/70R15. The Michelin XWX is presently the only tyre with a W (170mph) speed rating in this size and would be the best tyre you could fit.

225/70 WR 15

Ferrari Daytona on 225/70 WR 15 Michelin XWX Rear Tyres

During the late 1960s, the Michelin XWX tyre was introduced to meet the demands of the rapidly developing European motorway networks, spearheaded by Germany and Italy. Esteemed Italian automobiles such as the 1966 Lamborghini Miura, 1965 Ferrari 365, 1966 Maserati Ghibli, and 1970 De Tomaso Pantera were all capable of effortlessly surpassing speeds of 200kph/124mph. Meanwhile, Germany boasted renowned models like the 1972 Porsche 911 Carrera RS, alongside solid saloons like the 1968 Mercedes 300 and 1971 BMW 3.0 SI.

Both British and French manufacturers also opted for fitting Michelin XWX tyres to enhance performance and handling, particularly for motorway journeys. This preference extended to exceptional vehicles such as the 1970 Citroen SM, 1967 Aston Martin DBS, and the 1970 Jaguar V12 E-Type (or Jaguar V12 XKE with Michelin tyres). The Michelin XWX tyre was purposefully designed to elevate the performance of these supercars during an era when speed limits were absent on motorways. Even today, it remains an exceptional choice for discerning drivers.

Michelin XWX Tyres

Boasting an impressive range of innovative elements, the Michelin XWX tire stands out for its unmatched performance that effortlessly combines Speed, Safety, and Comfort. This exceptional tire solidifies its status as the ultimate choice for 1970s Supercars. With a robust internal build and a flexible design, it provides exceptional comfort even at high speeds, ensuring an extraordinary journey on any road.

The tyre size 225/70 R 15 92W indicates:

• The tyre width is 225mm at its widest point (not just the tread width).
• The height of the tyre sidewall is 70% of 225mm.
• The tyre has an R, which means it is a radial tyre.
• The tyre has a 15, which means it has a rim diameter of 15".
• The tyre has a load index of 92, which means each tyre can carry a weight up to 630 kgs.
• The tyre is speed rated W, which means it has been successfully test driven at 168mph or 270km/h for an hour without being damaged.

225/70 WR 15 Michelin XWX Speed Rating

Despite displaying the V speed rating on its side wall, the tire is actually rated for W speed up to 168 mph. However, during the tire's development in the 1960s, the W speed rating had not yet been introduced. Therefore, to maintain historical accuracy, the tire still bears the V designation.

225/70 WR 15 XWX

The Overall Diameter of the 225/70 VR 15 Michelin XWX is 697 mm and the width is 228 mm.

For more information on the 225/70 VR 15 Michelin XWX please see below or call +44 (0) 1302 711 123.

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