Thibaut Pinot, 26, finished third in the 2014 Tour de France but has never raced the Giro.
The Frenchman withdraws from the race following Thursday's finish on the slopes of Mont Ventoux.
Thibaut Pinot was impressed and intimidated by the show of force by Team Sky and Movistar in Tour de France stage 5.
Above everything else, it is the spectacle that makes the Tour de France larger than life.
It has been 27 years since a Frenchman won the Giro d'Italia, and don't expect that to change this edition.
Thibaut Pinot stuns Romandie peloton with TT win, vaulting into second place overall behind Nairo Quintana.
Already wearing the leader's jersey, Thibaut Pinot claimed the queen stage at the Critérium International to wrap up the overall title
Sam Bennett sprints to the stage 1 victory and Thibaut Pinot takes the stage 2 TT and the GC lead Saturday at the Critérium International
Chris Froome was the big winner after taking the yellow and polka-dot jerseys, while several riders came up short of goals
AFP takes a look back at the French grand tour and highlights five key takeaways