Jenson Button tells CNN that he is happy with the switch to Pirelli tires for 2011 . Pirelli have taken over from Bridgestone as the Formula One tire supplier . The change will be made at a cost of around £20million per year, which McLaren say they can afford. The Briton confirms that last year 's McLaren was built to suit the smaller Lewis Hamilton .
Jenson Button tells CNN that he is happy with the switch to Pirelli tires for 2011 . Pirelli have taken over from Bridgestone as the Formula One tire supplier . Button also reveals that the MP4-26 has been built to suit his own body shape . The Briton confirms that last year 's McLaren was built to suit the smaller Lewis Hamilton .