A selection of the best images from this week's two-day, post-race test session at the Bahrain International Circuit in Sakhir...
Day Two (Wednesday)
Gary Paffett (GBR) Williams FW40 at Formula One Testing, Day Two, Bahrain International Circuit, Sakhir, Bahrain, Wednesday 19 April 2017. © Sutton Motorsport Images
Esteban Ocon (FRA) Force India VJM10 with aero sensor at Formula One Testing, Day Two, Bahrain International Circuit, Sakhir, Bahrain, Wednesday 19 April 2017. © Sutton Motorsport Images
Sebastian Vettel (GER) Ferrari at Formula One Testing, Day Two, Bahrain International Circuit, Sakhir, Bahrain, Wednesday 19 April 2017. © Sutton Motorsport Images
Valtteri Bottas (FIN) Mercedes-Benz F1 W08 Hybrid with aero sensors at Formula One Testing, Day Two, Bahrain International Circuit, Sakhir, Bahrain, Wednesday 19 April 2017. © Sutton Motorsport Images
Valtteri Bottas (FIN) Mercedes-Benz F1 W08 Hybrid front wing change at Formula One Testing, Day Two, Bahrain International Circuit, Sakhir, Bahrain, Wednesday 19 April 2017. © Sutton Motorsport Images
Pierre Gasly (FRA) Red Bull Racing RB13 at Formula One Testing, Day Two, Bahrain International Circuit, Sakhir, Bahrain, Wednesday 19 April 2017. © Sutton Motorsport Images
Gary Paffett (GBR) Williams FW40 at Formula One Testing, Day Two, Bahrain International Circuit, Sakhir, Bahrain, Wednesday 19 April 2017. © Sutton Motorsport Images
Esteban Ocon (FRA) Force India VJM10 rear at Formula One Testing, Day Two, Bahrain International Circuit, Sakhir, Bahrain, Wednesday 19 April 2017. © Sutton Motorsport Images
Daniil Kvyat (RUS) Scuderia Toro Rosso STR12 at Formula One Testing, Day Two, Bahrain International Circuit, Sakhir, Bahrain, Wednesday 19 April 2017. © Sutton Motorsport Images
Kevin Magnussen (DEN) Haas VF-17 at Formula One Testing, Day Two, Bahrain International Circuit, Sakhir, Bahrain, Wednesday 19 April 2017. © Sutton Motorsport Images
Gary Paffett (GBR) Williams FW40 at Formula One Testing, Day Two, Bahrain International Circuit, Sakhir, Bahrain, Wednesday 19 April 2017. © Sutton Motorsport Images
Stoffel Vandoorne (BEL) McLaren MCL32 at Formula One Testing, Day Two, Bahrain International Circuit, Sakhir, Bahrain, Wednesday 19 April 2017. © Sutton Motorsport Images
Sebastian Vettel (GER) Ferrari SF70-H at Formula One Testing, Day Two, Bahrain International Circuit, Sakhir, Bahrain, Wednesday 19 April 2017. © Sutton Motorsport Images
Sebastian Vettel (GER) Ferrari at Formula One Testing, Day Two, Bahrain International Circuit, Sakhir, Bahrain, Wednesday 19 April 2017. © Sutton Motorsport Images
Stoffel Vandoorne (BEL) McLaren MCL32 at Formula One Testing, Day Two, Bahrain International Circuit, Sakhir, Bahrain, Wednesday 19 April 2017. © Sutton Motorsport Images
Esteban Ocon (FRA) Force India VJM10 at Formula One Testing, Day Two, Bahrain International Circuit, Sakhir, Bahrain, Wednesday 19 April 2017. © Sutton Motorsport Images
Pascal Wehrlein (GER) Sauber C36 at Formula One Testing, Day Two, Bahrain International Circuit, Sakhir, Bahrain, Wednesday 19 April 2017. © Sutton Motorsport Images
Sergey Sirotkin (RUS) Renault Sport F1 Team RS17 at Formula One Testing, Day Two, Bahrain International Circuit, Sakhir, Bahrain, Wednesday 19 April 2017. © Sutton Motorsport Images
Pascal Wehrlein (GER) Sauber C36 at Formula One Testing, Day Two, Bahrain International Circuit, Sakhir, Bahrain, Wednesday 19 April 2017. © Sutton Motorsport Images
The car of Valtteri Bottas (FIN) Mercedes-Benz F1 W08 Hybrid is recovered after stopping on track at Formula One Testing, Day Two, Bahrain International Circuit, Sakhir, Bahrain, Wednesday 19 April 2017. © Sutton Motorsport Images
Gary Paffett (GBR) Williams FW40 at Formula One Testing, Day Two, Bahrain International Circuit, Sakhir, Bahrain, Wednesday 19 April 2017. © Sutton Motorsport Images
Carlos Sainz jr (ESP) Scuderia Toro Rosso STR12 at Formula One Testing, Day Two, Bahrain International Circuit, Sakhir, Bahrain, Wednesday 19 April 2017. © Sutton Motorsport Images
Sergio Perez (MEX) Force India VJM10 selfie at Formula One Testing, Day Two, Bahrain International Circuit, Sakhir, Bahrain, Wednesday 19 April 2017. © Sutton Motorsport Images
Ferrari freight in the Paddock at Formula One Testing, Day Two, Bahrain International Circuit, Sakhir, Bahrain, Wednesday 19 April 2017. © Sutton Motorsport Images
Sebastian Vettel (GER) Ferrari SF70-H and Carlos Sainz jr (ESP) Scuderia Toro Rosso STR12 at Formula One Testing, Day Two, Bahrain International Circuit, Sakhir, Bahrain, Wednesday 19 April 2017. © Sutton Motorsport Images
Day One (Tuesday)
Sebastian Vettel (GER) Ferrari SF70-H at Formula One Testing, Day One, Bahrain International Circuit, Sakhir, Bahrain, Tuesday 18 April 2017. © Sutton Motorsport Images
Daniel Ricciardo (AUS) Red Bull Racing RB13 at Formula One Testing, Day One, Bahrain International Circuit, Sakhir, Bahrain, Tuesday 18 April 2017. © Sutton Motorsport Images
Nico Hulkenberg (GER) Renault Sport F1 Team RS17 at Formula One Testing, Day One, Bahrain International Circuit, Sakhir, Bahrain, Tuesday 18 April 2017. © Sutton Motorsport Images
Sebastian Vettel (GER) Ferrari at Formula One Testing, Day One, Bahrain International Circuit, Sakhir, Bahrain, Tuesday 18 April 2017. © Sutton Motorsport Images
Lance Stroll (CDN) Williams FW40 at Formula One Testing, Day One, Bahrain International Circuit, Sakhir, Bahrain, Tuesday 18 April 2017. © Sutton Motorsport Images
The car of Lewis Hamilton (GBR) Mercedes-Benz F1 W08 Hybrid is recovered to the pits at Formula One Testing, Day One, Bahrain International Circuit, Sakhir, Bahrain, Tuesday 18 April 2017. © Sutton Motorsport Images
Romain Grosjean (FRA) Haas F1 at Formula One Testing, Day One, Bahrain International Circuit, Sakhir, Bahrain, Tuesday 18 April 2017. © Sutton Motorsport Images
Marcus Ericsson (SWE) Sauber C36 at Formula One Testing, Day One, Bahrain International Circuit, Sakhir, Bahrain, Tuesday 18 April 2017. © Sutton Motorsport Images
Sean Gelael (INA) Scuderia Toro Rosso STR12 at Formula One Testing, Day One, Bahrain International Circuit, Sakhir, Bahrain, Tuesday 18 April 2017. © Sutton Motorsport Images
Felipe Massa (BRA) Williams FW40 at Formula One Testing, Day One, Bahrain International Circuit, Sakhir, Bahrain, Tuesday 18 April 2017. © Sutton Motorsport Images
Alfonso Celis jr (MEX) Force India VJM10 at Formula One Testing, Day One, Bahrain International Circuit, Sakhir, Bahrain, Tuesday 18 April 2017. © Sutton Motorsport Images
Oliver Turvey (GBR) McLaren MCL32 at Formula One Testing, Day One, Bahrain International Circuit, Sakhir, Bahrain, Tuesday 18 April 2017. © Sutton Motorsport Images
Antonio Giovinazzi (ITA) Ferrari SF70-H at Formula One Testing, Day One, Bahrain International Circuit, Sakhir, Bahrain, Tuesday 18 April 2017. © Sutton Motorsport Images
The car of Daniel Ricciardo (AUS) Red Bull Racing RB13 is recovered to the pits at Formula One Testing, Day One, Bahrain International Circuit, Sakhir, Bahrain, Tuesday 18 April 2017. © Sutton Motorsport Images
Romain Grosjean (FRA) Haas VF-17 at Formula One Testing, Day One, Bahrain International Circuit, Sakhir, Bahrain, Tuesday 18 April 2017. © Sutton Motorsport Images
Sahir Tower at sunset at Formula One Testing, Day One, Bahrain International Circuit, Sakhir, Bahrain, Tuesday 18 April 2017. © Sutton Motorsport Images
Nico Hulkenberg (GER) Renault Sport F1 Team RS17 at Formula One Testing, Day One, Bahrain International Circuit, Sakhir, Bahrain, Tuesday 18 April 2017. © Sutton Motorsport Images
Lewis Hamilton (GBR) Mercedes-Benz F1 W08 Hybrid at Formula One Testing, Day One, Bahrain International Circuit, Sakhir, Bahrain, Tuesday 18 April 2017. © Sutton Motorsport Images
Antonio Giovinazzi (ITA) Ferrari at Formula One Testing, Day One, Bahrain International Circuit, Sakhir, Bahrain, Tuesday 18 April 2017. © Sutton Motorsport Images
Alfonso Celis jr (MEX) Force India VJM10 with aero sensor at Formula One Testing, Day One, Bahrain International Circuit, Sakhir, Bahrain, Tuesday 18 April 2017. © Sutton Motorsport Images
Oliver Turvey (GBR) McLaren MCL32 at Formula One Testing, Day One, Bahrain International Circuit, Sakhir, Bahrain, Tuesday 18 April 2017. © Sutton Motorsport Images
Jo Bauer (SUI) FIA Technical Delegate in the Ferrari garage at Formula One Testing, Day One, Bahrain International Circuit, Sakhir, Bahrain, Tuesday 18 April 2017. © Sutton Motorsport Images
Lewis Hamilton (GBR) Mercedes-Benz F1 W08 Hybrid with aero sensors at Formula One Testing, Day One, Bahrain International Circuit, Sakhir, Bahrain, Tuesday 18 April 2017. © Sutton Motorsport Images
Daniel Ricciardo (AUS) Red Bull Racing RB13 with aero sensors at Formula One Testing, Day One, Bahrain International Circuit, Sakhir, Bahrain, Tuesday 18 April 2017. © Sutton Motorsport Images
Sergey Sirotkin (RUS) Renault Sport F1 Team RS17 at Formula One Testing, Day Two, Bahrain International Circuit, Sakhir, Bahrain, Wednesday 19 April 2017. © Sutton Motorsport Images
Stoffel Vandoorne (BEL) McLaren MCL32 at Formula One Testing, Day Two, Bahrain International Circuit, Sakhir, Bahrain, Wednesday 19 April 2017. © Sutton Motorsport Images
The car of Valtteri Bottas (FIN) Mercedes-Benz F1 W08 Hybrid is recovered after stopping on track at Formula One Testing, Day Two, Bahrain International Circuit, Sakhir, Bahrain, Wednesday 19 April 2017. © Sutton Motorsport Images
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