http://www.skysports.com/f1/news/12433/11369173/spanish-gp-lewis-hamilton-delighted-with-pole-position

"These tyres seemed to have a small working window.
The working range is far narrower than last year.
I don't know why they worked in Australia and they haven't worked ever since."


Pirelli have changed the tread of the tyres for this weekend with Hamilton
dismissing a suggestion the alteration favoured Mercedes as a "stupid question".



狭いレンジも忖度タイヤできっちり機能するハミルトンです