Jan Ullrich has played down fears over a back injury by committing to this month's Tour of Switzerland.
Ullrich pulled out of last month's Giro with a back complaint
The 32-year-old German pulled out of last month's Giro d'Italia leading to doubts over his readiness for the Tour de France on 1 July.
But on Thursday, Ullrich insisted he was "looking forward to getting back into action".
The Tour of Switzerland, which starts on 10 June, has acted as his annual Tour de France preparation recently.
He will be supported by world champion Michael Rogers, who also pulled out of the Giro after suffering severe toothache.
Andreas Kloden will be part of T-Mobile's star-studded line-up in Switzerland and Ullrich was confident of the team's potential.
"The fact that I have enjoyed success in this race in the past and that I feel at ease there as influenced my decision," added Ullrich.