The Frenchman said he is using the Vuelta as a springboard to getting into top form for the worlds road race.
Two of the riders chasing overall victory at the Vuelta a España lost nearly two minutes in Thursday's crosswinds.
Pinot will lead Groupama-FDJ at the Vuelta, and he'll ride on with the team into 2019 and 2020.
After failing to keep Chris Froome's long attack in check, defending Giro champ Tom Dumoulin has only a single climbing stage left.
Thibaut Pinot says pink jersey Simon Yates is “untouchable” as Giro heads into final gauntlet of mountain stages.
RCS sport released the preliminary start list for the race, which will begin May 4 in Jerusalem.