Valtteri Bottas signs the fastest lap of the first week of the test

Name: Valtteri Bottas signs the fastest lap of the first week of the test
Duration: 1 min 36 s
Channel: motor
Description: Formula 1 completed its first week of official pre-season testing and on the third and final day it was Valtteri Bottas who made the fastest lap of the Circuit de Catalunya. A warning of what lies ahead for us again this season?