Team Sky’s 31-year-old Welsh rider posted a photograph of himself on a turbo trainer at home, saying simply “back on it”. He underwent surgery to repair the injured collarbone, and the photo clearly shows a dressing on the affected area.
Thomas had put in a perfect start to the 2017 Tour, winning the opening time trial in Düsseldorf and then wearing the yellow jersey of race leader.
However, he was caught up in a crash on stage nine while tackling the damp descent of the Col de la Biche on stage nine and his race was over.
He was then forced to watch the remainder of the race at home, while his team-mates assisted Chris Froome in defending his Tour title.
As well as being in touch with his team-mates directly, Thomas has been posting supportive messages to Sky during the Tour. He has also taken part in a couple of phone-ins to the commentary team during ITV4’s coverage of the race.
Thomas went into the Tour as one of the leading support riders for Froome after crashing out of the Giro d’Italia in May.
Thomas had been co-leader of Sky’s squad in the Giro with Mikel Landa, but withdrew from the race with injuries as a result of a collision involving a motorbike on stage nine.
It is not known when Thomas will return to racing, or what his schedule for the remainder of the 2017 season will be.