Pirelli have revealed the tyre compounds that will be used in the first two rounds of the 2017 Formula One season.
Next year the Italian manufacturer will introduce much wider tyres, featuring all-new construction and compounds
At the season opener in Australia the P Zero soft (yellow), supersoft (red) and ultrasoft (purple) will be used - one stage softer than the 2016 Australian GP.
A set of soft and supersofts must be put aside for the race, while the supersoft has been assigned for the third part of qualifying.
In China) Pirelli will take the same coumpounds at this year's Shanghai race - medium (white), soft, and supersoft.
A set of the medium and softs are reserved for the race, with one to be used, while the supersoft will be the Q3 tyre.
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