Bahrain preview quotes: Sauber

Sergio Perez: "I have never raced in a Formula One car in Bahrain so far but, I have good memories linked to that circuit because I won a GP2 race there back in 2008. That was the one and only time I have raced there up to now. It is quite a stop-and-go circuit and I think rear tyre degradation can be quite high. Overall I feel that our team has a good momentum and we have to make sure we also keep it for the next race weekend."

Giampaolo Dall'Ara; Head of Track Engineering: "The track is a sequence of long straights with low speed corners, so it's very demanding on the brakes. Good traction is also crucial on this circuit. We didn't use the maximum downforce level in the times when we raced without DRS. Having a good straight line speed can make a difference there. Another peculiarity is the tarmac. Although it's smooth, it's quite abrasive, especially on the rear tyres, because of this combination of high temperatures and the sand which is blown on the track. Pirelli will provide us with the soft and medium compounds. Normally the ambient temperatures are between 35 and 40 degrees Celsius, which means that we have to use maximum cooling. This also applies to the brakes, although in that case it's because the drivers have to brake very hard. At the end of the day the most important factors are braking performance and traction."