A new rain tyre which has been developed through series supplier Firestone will become available from IndyCar's Mid-Ohio round this weekend. Experimental compounds were put through extensive wet friction testing before the final specification tyre was given the green light. The year-long development process saw the tyre meet safety, reliability and race worthiness standards on a range of wet surfaces. Defined by a silver stripe, the tyre will join the series after the previous specification was introduced in 2014. Bridgestone America’s Motorsports manager Dale Harrigle said tyres were taken to the company’s proving ground in Texas. “We took all of those tests and boiled it down to...
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