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Pirelli brings all dry compounds to Jerez

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Just one week after the opening official test session of the year in Valencia, Pirelli is back on track once more for the second group test, which covers four days on the Spanish circuit of Jerez from Feb. 10-13.

The Jerez circuit, which last hosted a Formula One Grand Prix in 1997, presents quite a contrast to Valencia, enabling the teams to explore different characteristics of the new P Zero rubber, which will be exclusively supplied to the Formula One World Championship in a three-year agreement lasting to 2013.

Pirelli will bring all four compounds of slick tire -- supersoft, soft, medium and hard -- to the Spanish circuit, as well as the intermediate and wet tire. Dry conditions in Valencia last week meant that the rain tires were hardly used, but Pirelli is well-prepared if the weather in Jerez turns wet.

The supersoft compound slick tire offers optimum performance but over a limited period of time. The soft version provides similar performance but is slighter longer lasting. The medium compound provides a balance between endurance and performance, while the hard version is for longer distance running.

For the Jerez tests this week, the medium compound has been further developed, in response to data acquired during testing and comments from the teams and drivers. Every car will receive a maximum allocation of 30 sets of tires in Jerez, part of the overall allocation of 100 sets of tires for the four pre-season tests.

Pirelli Motorsport Director Paul Hembery commented: "The feedback from all the drivers and teams after Valencia was very positive, but it is still early days and there's a lot of work to go through, particularly with all the new cars. The four days at Jerez will allow the teams to get used to our tires on a circuit with different characteristics, in order to explore other aspects of their performance.

"The changes we have made to the medium compounds are not big, but they constitute another small step in the evolution of our P Zero rubber, which as we have already seen, should help improve the spectacle during the coming season. Obviously, the Formula One news this week has been dominated by Robert Kubica's accident in Italy, and I know that I speak for everyone at Pirelli in wishing him an extremely speedy recovery."

Pirelli was previously at Jerez last September, part of the 18,000-kilometer private testing campaign with Pedro de la Rosa and the Toyota TF109, as the Italian firm geared up to its return to Formula One.

The Jerez circuit, which contains some slow corners as well as medium to fast bends, puts particular emphasis on the rear tires, which have to work hard to provide traction over a wide range of speeds. Though Jerez does not result in especially high top speeds, every aspect of car's performance is comprehensively tested there.

The cars will run between 0900 and 1700 on Thursday, Friday, Saturday and Sunday. Temperatures are expected to range between 41 and 68 degrees Fahrenheit according to current forecasts.

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