The current British time trial champion was named along with the squad's Tour leader, Alejandro Valverde. Joining them are Imanol Erviti (SPA), John Gadret (FRA), Iván Gutiérrez (SPA), Jesús Herrada (SPA), Beñat Intxausti (SPA), Ion Izagirre (SPA), Juanjo Lobato (SPA), Rubén Plaza (SPA), José Joaquín Rojas (SPA), Sylwester Szmyd (POL) and Giovanni Visconti (ITA).
Nine riders will be selected by Movistar from the list of 13 after the conclusion of the Tour de Suisse and Route du Sud.
Dowsett made his Grand Tour debut for Movistar in the Giro d'Italia in 2013, where he won the stage eight individual time trial.
Before the Tour, Dowsett will take part in the British time trial national championship on Thursday, June 26, where he will look to defend his title from 2013.
British time trial round-up (May 31-June 1): News and results from around the UK
Mark Cavendish to lead Omega Pharma-QuickStep team at Tour de France
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