Lewis Hamilton believes new Formula 1 cars will be a 'massive challenge'

Hamilton expects 'massive challenge' from 2017 cars Mercedes' Lewis Hamilton says he believes the new faster Formula 1 cars this year will be a "massive challenge".
from F1 Center Hamilton expects 'massive challenge' from 2017 cars Mercedes' Lewis Hamilton says he believes the new faster Formula 1 cars this year will be a "massive challenge". http://ift.tt/2lFw5j4