With the small differences between the drivers at the front of the 
Formula 1 grid, tyre strategy will potentially play a crucial role in the 
Spanish Grand Prix. 
Pirelli name the strategies that should be fastest on paper and also gave an update on the tyres pole sitter 
Lando Norris and his rivals have left for the race.
Pirelli name possible strategies GP Spain
The changed temperature at the 
Circuit de Barcelona-Catalunya is a factor to take into account, according to the tyre supplier. 
"As for tyre use in the race, one has to keep in mind the considerable drop in temperatures we saw today, particularly on the track surface, which was around ten degrees cooler than yesterday afternoon," said 
Pirelli boss 
Mario Isola. 
"While this drop did not have any significant effect over a flying lap, it could be an important factor tomorrow," he continued.
Pirelli expects a two-stop will be fastest for the 
F1 race. 
"On paper, the quickest strategy does indeed involve the use of two sets of C3 and one of C2. We can rule out a one-stop strategy because it’s too slow, but the idea of a four stint, three-stop race is not so far-fetched," Isola explained.
"How the drivers manage tyre performance over each stint will also be very important, something which the teams worked on very carefully in the final free practice session."