There is no track in the world that Formula 1 drivers know as well as the one near Barcelona. For years, the Circuit de Catalunya was the setting for the annual test days. Although no more testing has taken place prior to this season, the track holds hardly any secrets for the teams - despite the disappearance of the chicane at the turn on the straight. Article continues under ad Turns three and nine are particularly tough on tyres, experience shows. This is partly why Pirelli chose to bring the almost hardest compounds to the Spanish Grand Prix; the C1, C2 and C3. The C1 is a new compound, introduced this season, to bridge the gap between the hardest tyre - now the C0 - and the C2....
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