He then lost a lot of time with the new tyres , struggling to get heat into the tyres .
Before the first pit stops Webber looked strong , but he dropped behind Kubica and Alonso during the stops .
Webber then lost a lot of time with the new tyres , struggling to get heat into the tyres .
Before the first pit stops Webber looked strong , but he dropped behind Kubica and Alonso during the stops .