Q&A with Bridgestone’s Hirohide Hamashima

Over the course of last week’s test at Barcelona’s Circuit de Catalunya, the 11 teams in action managed to complete extensive mileage at the Spanish circuit. With the squads using all four compounds of Bridgestone’s dry tyre range, it proved an equally busy time for the tyre manufacturer’s engineers. Director of Bridgestone Motorsport Tyre Development Hirohide Hamashima reviews the four-day session…