http://www.autosport.com/news/report.php/id/111915Jonnycraig wrote: And we don't know what caused it to fail. For all we know, it was punctured exciting the final corner. But still, carry on .
The tire was a prototype that had never been on a track. Honestly I don't know what Pirelli was thinking, before you give a tire to a client who is helping you out, you should probably do some basic testing in-house to make sure it's safe.