Pirelli unveil 2013 F1 tyre range which promise more uncertainty during race (+Video)

Formula One's official tyre suppliers Pirelli have unveiled new range of F1 tyres for the 2013 season, which is aimed at producing more pit stops and increasing overtaking.
Both the dry-weather and wet-weather tyres have been revised with compounds becoming softer, the structure of the tyres more flexible and the shoulder of the tyres reinforced. The softer compounds mean that the new hard tyre