RadioShack-Nissan rider Andreas Kloden of Germany attends a news conference ahead of the 99th Tour de France cycling race in Liege, June 28, 2012 REUTERS/Stephane Mahe (BELGIUM - Tags: SPORT CYCLING) 

Radioshack rider Andreas Kloden of Germany climbs the mountain during the 12th stage of the Tour de France 2011 cycling race from Cugnaux to Luz-Ardiden July 14, 2011. Euskaltel-Euskadi team rider Samuel Sanchez of Spain won the stage while Europcar rider Thomas Voeckler of France retained the leader's yellow jersey. REUTERS/Stefano Rellandini (FRANCE - Tags: SPORT CYCLING) 

Radioshack rider Andreas Kloden (C) of Germany rides during the tenth stage of the Tour de France 2011cycling race from Aurillac to Carmaux July 12, 2011. REUTERS/Denis Balibouse (FRANCE - Tags: SPORT CYCLING) 

Radioshack team rider Andreas Kloden of Germany cycles during the first stage of the Tour de Suisse cycling race in Lugano June 11, 2011. REUTERS/Denis Balibouse (SWITZERLAND - Tags: SPORT CYCLING) 

Radioshack rider Andreas Kloden of Germany dons a Basque beret while celebrating on the podium after winning the six-day Tour of the Basque Country cycling race in Zalla April 9, 2011. Kloden won the UCI World Tour event with an 47-second lead over second-placed Radioshack rider Christopher Horner of the U.S. and third-placed Rabobank rider Robert Gesink of the Netherlands. REUTERS/Vincent West (SPAIN - Tags: SPORT CYCLING) 

Radioshack rider Andreas Kloden of Germany (C) celebrates on the podium after winning the six day Tour Of The Basque Country cycling race in Zalla next to second placed Radioshack rider Christopher Horner of the U.S. (L) and third placed Rabobank rider Robert Gesink of the Netherlands April 9, 2011. Kloden won the UCI World Tour event with an 47-second lead over Horner and Gesink. REUTERS/Vincent West (SPAIN - Tags: SPORT CYCLING) 

Radioshack rider Andreas Kloden of Germany crosses the finish line to win the Vuelta Al Pais Vasco (Tour Of The Basque Country) six day cycling race April 9, 2011 following a 15 mile (24 Km) individual time trial starting and finishing in Zalla. Kloden won the UCI World Tour event with an 47-second lead over second placed Radioshack rider Christopher Horner of the U.S. and third placed Rabobank rider Robert Gesink of the Netherlands. REUTERS/Vincent West (SPAIN - Tags: SPORT CYCLING) 

Radioshack rider Andreas Kloden of Germany celebrates on the podium after winning the six-day Tour Of The Basque Country cycling race in Zalla April 9, 2011. Kloden won the UCI World Tour event with a 47 second lead over second placed Radioshack rider Christopher Horner of the U.S. and third placed Rabobank rider Robert Gesink of the Netherlands. REUTERS/Vincent West (SPAIN - Tags: SPORT CYCLING) 

Radioshack rider Andreas Kloden of Germany celebrates on the podium after winning the six-day Tour Of The Basque Country cycling race in Zalla April 9, 2011. Kloden won the UCI World Tour event with a 47-second lead over second placed Radioshack rider Christopher Horner of the U.S. and third placed Rabobank rider Robert Gesink of the Netherlands. REUTERS/Vincent West (SPAIN - Tags: SPORT CYCLING) 

Radioshack rider Andreas Kloden of Germany celebrates on the podium after winning the six-day Tour Of The Basque Country cycling race in Zalla April 9, 2011. Kloden won the UCI World Tour event with an 47-second lead over second placed Radioshack rider Christopher Horner of the U.S. and third placed Rabobank rider Robert Gesink of the Netherlands. REUTERS/Vincent West (SPAIN - Tags: SPORT CYCLING) 

Radioshack rider Andreas Kloden of Germany (C) celebrates on the podium after winning the six-day Tour Of The Basque Country cycling race in Zalla next to second placed Radioshack rider Christopher Horner of the U.S. (L) and third placed Rabobank rider Robert Gesink of the Netherlands April 9, 2011. Kloden won the UCI World Tour event with an 47-second lead over Horner and Gesink. REUTERS/Vincent West (SPAIN - Tags: SPORT CYCLING) 

Team Radioshack's German rider Andreas Kloden dons the leader's yellow jersey as his second place behind Movistar's Russian rider Vasili Kiryienka gave him the overall lead at the end of the second stage of the six day Vuelta del Pais Vasco (Tour of the Basque Country) cycling race in Lekunberri April 5, 2011. REUTERS/Vincent West (SPAIN - Tags: SPORT CYCLING) 

Katusha's Joaquin Rodriguez (L) crosses the finish line ahead of Euskaltel's Samuel Sanchez (R) and Team Radioshack's Andreas Kloden to win the first stage of the six-day Vuelta del Pais Vasco (Tour of the Basque Country) cycling race in Zumarraga April 4, 2011. REUTERS/Vincent West (SPAIN - Tags: SPORT CYCLING) 

HTC team rider Tony Martin of Germany (C) celebrates after winning the 69th Paris-Nice cycling race in Nice March 13, 2011. Martin is surrounded by second placed Andreas Kloden of Germany (L) and third placed Bradley Wiggins of Britain (R). REUTERS/Eric Gaillard (FRANCE - Tags: SPORT CYCLING) 

HTC team rider Tony Martin of Germany (C) celebrates after winning the 69th Paris-Nice cycling race in Nice March 13, 2011. Martin is surrounded by second placed Andreas Kloden of Germany (L) and third placed Bradley Wiggins of Britain (R). REUTERS/Eric Gaillard (FRANCE - Tags: SPORT CYCLING) 

Radioshack team rider Andreas Kloden of Germany (L) is congratulated by Alexandre Vinokourov of Kazhakstan (R) after winning the fifth stage of the Paris Nice cycling race between Saint-Symphorien-Sur-Coise and Vernoux-En-Vivarais March 10, 2011. Kloden won the stage and holds the leader yellow jersey. REUTERS/Eric Gaillard (FRANCE - Tags: SPORT CYCLING) 

Radioshack team rider Andreas Kloden of Germany adjusts his leader yellow jersey after winning the fifth stage of the Paris Nice cycling race between Saint-Symphorien-Sur-Coise and Vernoux-En-Vivarais March 10, 2011. REUTERS/Eric Gaillard (FRANCE - Tags: SPORT CYCLING) 

Radioshack team rider Andreas Kloden of Germany kisses a stuffed toy on the podium after winning the fifth stage of the Paris Nice cycling race between Saint-Symphorien-Sur-Coise and Vernoux-En-Vivarais March 10, 2011. Kloden won the stage and holds the leader yellow jersey. REUTERS/Eric Gaillard (FRANCE - Tags: SPORT CYCLING) 

Radioshack team rider Andreas Kloden of Germany celebrates after winning the fifth stage of the Paris Nice cycling race between Saint-Symphorien-Sur-Coise and Vernoux-En-Vivarais March 10, 2011. REUTERS/Eric Gaillard (FRANCE - Tags: SPORT CYCLING) 

Radioshack team rider Andreas Kloden of Germany wears the leader yellow jersey after winning the fifth stage of the Paris Nice cycling race between Saint-Symphorien-Sur-Coise and Vernoux-En-Vivarais March 10, 2011. REUTERS/Eric Gaillard (FRANCE - Tags: SPORT CYCLING) 

Radioshack team rider Andreas Kloden of Germany wears the leader yellow jersey after winning the fifth stage of the Paris Nice cycling race between Saint-Symphorien-Sur-Coise and Vernoux-En-Vivarais March 10, 2011. REUTERS/Eric Gaillard (FRANCE - Tags: SPORT CYCLING) 

Radioshack team rider Andreas Kloden of Germany (L) sprints ahead of Euskatel team rider Samuel Sanchez of Spain (R) to win the fifth stage of the Paris Nice cycling race between Saint-Symphorien-Sur-Coise and Vernoux-En-Vivarais March 10, 2011. Kloden won the stage and holds the leader yellow jersey. REUTERS/Eric Gaillard (FRANCE - Tags: SPORT CYCLING) 

Radioshack team rider Andreas Kloden of Germany (L) sprints ahead of Euskatel team rider Samuel Sanchez of Spain (R) to win the fifth stage of the Paris Nice cycling race between Saint-Symphorien-Sur-Coise and Vernoux-En-Vivarais March 10, 2011. Kloden won the stage and holds the leader yellow jersey. REUTERS/Eric Gaillard (FRANCE - Tags: SPORT CYCLING) 

Radioshack team rider Andreas Kloden of Germany (L) sprints ahead of Euskatel team rider Samuel Sanchez of Spain (R) to win the fifth stage of the Paris Nice cycling race between Saint-Symphorien-Sur-Coise and Vernoux-En-Vivarais March 10, 2011. Kloden won the stage and holds the leader yellow jersey. REUTERS/Eric Gaillard (FRANCE - Tags: SPORT CYCLING) 

Radioshack team rider Andreas Kloden of Germany cycles during the individual time-trial 19th stage of the Tour de France cycling race between Bordeaux and Pauillac July 24, 2010. REUTERS/Bogdan Cristel (FRANCE - Tags: SPORT CYCLING) 

Radioshack's Lance Armstrong of the U.S (L) cycles with team mate Andreas Kloden of Germany during the fourth stage of the Tour de France cycling race between Cambrai and Reims, July 7, 2010. REUTERS/Francois Lenoir (FRANCE - Tags: SPORT CYCLING) 

Radioshack rider Andreas Kloden (L) of Germany greets Saxo Bank rider Frank Schleck of Luxembourg before a training session for the upcoming Tour De France cycling race in Rotterdam July 1, 2010. REUTERS/Eric Gaillard (NETHERLANDS - Tags: SPORT CYCLING) 

Radioshack rider Andreas Kloden of Germany adjusts his helmet before a training session for the upcoming Tour De France cycling race in Rotterdam July 1, 2010. REUTERS/Eric Gaillard (NETHERLANDS - Tags: SPORT CYCLING) 

RadioShack's team riders Lance Armstrong (L) and Andreas Kloden cycle on the Albula pass access road during the sixth stage of the Tour de Suisse from Meiringen to La Punt June 17, 2010. REUTERS/Christian Hartmann (SWITZERLAND - Tags: SPORT CYCLING) 

Radioshack team riders Lance Armstrong of the U.S. (R) and Andreas Kloden (2nd L) cycle next to Cervelo rider Inigo Cuesta of Spain and SKY team rider Bradley Wiggins (L) of Britain during the third stage of the Tour of Murcia cycling race between Torres de Cotillas and Alhama de Murcia, eastern Spain, March 5, 2010. REUTERS/Joseba Etxaburu (SPAIN - Tags: SPORT CYCLING) 

Astana rider Andreas Kloden of Germany cycles by the shore of the Annecy lake during the individual time trial in the 18th stage of the 96th Tour de France cycling race in Annecy July 23, 2009. REUTERS/Charles Platiau (FRANCE SPORT CYCLING) 

Astana rider Andreas Kloden of Germany cycles by the shore of the Annecy lake during the individual time trial in the 18th stage of the 96th Tour de France cycling race in Annecy July 23, 2009. REUTERS/Charles Platiau (FRANCE SPORT CYCLING) 

Astana rider Andreas Kloden of Germany cycles by the shore of the Annecy lake during the individual time trial in the 18th stage of the 96th Tour de France cycling race in Annecy July 23, 2009. REUTERS/Charles Platiau (FRANCE SPORT CYCLING) 

Team Saxo Bank rider Frank Schleck of Luxembourg (R) cycles ahead of his brother and team mate Andy (2nd R), Astana rider Alberto Contador of Spain (L) and Astana rider Andreas Kloden of Germany (2nd R) during the 17th stage of the 96th Tour de France cycling race between Bourg Saint Maurice and Le Grand Bornand, July 22, 2009. REUTERS/Charles Platiau (FRANCE SPORT CYCLING) 

Astana rider Andreas Kloden of Germany signs autographs as he arrives to the sign-in podium before the start of the the 14th stage of the 96th Tour de France cycling race between Colmar and Besancon, July 18, 2009. REUTERS/Eric Gaillard (FRANCE SPORT CYCLING) 

Astana rider Alberto Contador of Spain (R) cycles with team mate Andreas Kloden of Germany during the 13th stage of the 96th Tour de France cycling race between Vittel and Colmar, July 17, 2009. REUTERS/Eric Gaillard (FRANCE SPORT CYCLING) 

Astana rider Lance Armstrong of the U.S. (L) cycles with team mate Andreas Kloden of Germany (C) and AG2R La Mondiale rider and leader's yellow jersey holder Rinaldo Nocentini of Italy during the tenth stage of the 96th Tour de France cycling race between Limoges and Issoudun, July 14, 2009. REUTERS/Eric Gaillard (FRANCE SPORT CYCLING) 

Astana rider Lance Armstrong of the U.S. (L) cycles with team mate Andreas Kloden of Germany during the tenth stage of the 96th Tour de France cycling race between Limoges and Issoudun, July 14, 2009. REUTERS/Eric Gaillard (FRANCE SPORT CYCLING) 

Team Saxo Bank rider Fabian Cancellara (L) of Switzerland, wearing the leader's yellow jersey, is congratulated by Astana rider Andreas Kloden of Germany before the start of the second stage of the 96th Tour de France cycling race between Monaco and Brignolles July 5, 2009. REUTERS/Charles Platiau (MONACO SPORT CYCLING) 

Astana rider Andreas Kloden of Germany cycles to the finish line during the individual time trial in the first stage of the 96th Tour de France cycling race in Monaco, July 4, 2009. REUTERS/Charles Platiau (MONACO SPORT CYCLING) 

Astana rider Andreas Kloden of Germany cycles to the finish line during the individual time trial in the first stage of the 96th Tour de France cycling race in Monaco, July 4, 2009. REUTERS/Charles Platiau (MONACO SPORT CYCLING) 

Astana rider Andreas Kloden of Germany cycles to the finish line during the individual time trial in the first stage of the 96th Tour de France cycling race in Monaco, July 4, 2009. REUTERS/Charles Platiau (MONACO SPORT CYCLING) 

Astana rider Andreas Kloden of Germany cycles next to his team car during the 11th stage of the Tour of Spain "La Vuelta" cycling race between Calahorra and Burgos September 10, 2008. REUTERS/Dani Cardona (SPAIN) 

Astana team rider Andreas Kloden of Germany cycles during the eighth time trial stage of the Tour de Suisse cycling race in Klausenpass June 21, 2008. REUTERS/Michael Buholzer (SWITZERLAND) 

Astana team rider Andreas Kloden of Germany cycles during the eighth time trial stage of the Tour de Suisse cycling race in Klausenpass June 21, 2008. REUTERS/Michael Buholzer (SWITZERLAND) 

Germany's Andreas Kloden (L) poses for photographers with Danish cyclist Michael Rasmussen before the start of the 14th stage of the Giro d'Italia cycling race 195-km from Verona to Alpe di Pampeago May 24, 2008. REUTERS/Alessandro Garofalo (ITALY) 

Germany's Andreas Kloden cycles to 3rd place during the 10th stage of the Giro d'Italia cycling race 39,4-km time trial from Pesaro to Urbino May 20, 2008. REUTERS/Alessandro Garofalo (ITALY) 

Astana team rider Andreas Kloden of Germany is seen through his hotel's window, as the team pulls out of the Tour de France on the second rest day of the 94th Tour de France cycling race in Pau, July 24, 2007. Astana pulled out of the Tour de France after Astana team rider Alexander Vinokourov failed a dope test. REUTERS/Eric Gaillard (FRANCE) 

Astana team rider Andreas Kloden of Germany is seen through the team's hotel window as police search the premises for evidence of drug use during the second rest day of the 94th Tour de France cycling race in Pau, July 24, 2007. Astana pulled out of the Tour de France after Astana team rider Alexander Vinokourov failed a dope test. REUTERS/Eric Gaillard (FRANCE) 

Astana team rider Andreas Kloden of Germany is seen through his hotel's window, as the team pulls out of the Tour de France on the second rest day of the 94th Tour de France cycling race in Pau, July 24, 2007. Astana pulled out of the Tour de France after Astana team rider Alexander Vinokourov failed a dope test. REUTERS/Eric Gaillard (FRANCE) 

Astana team rider Andreas Kloden of Germany hides his face as he is seen through a hotel window, as the team pulls out of the Tour de France on the second rest day of the 94th Tour de France cycling race in Pau, July 24, 2007. The French gendarmerie has raided the Astana team's hotel on the Tour de France, a witness told Reuters on Tuesday. Astana have pulled out of the race after Kazakh Alexander Vinokourov tested positive for blood-doping following his victory on Saturday's 13th stage. REUTERS/Stefano Rellandini (FRANCE) 

Astana team rider Andreas Kloden of Germany hides his face as he is seen through a hotel window, as the team pulls out of the Tour de France on the second rest day of the 94th Tour de France cycling race in Pau, July 24, 2007. The French gendarmerie has raided the Astana team's hotel on the Tour de France, a witness told Reuters on Tuesday. Astana have pulled out of the race after Kazakh Alexander Vinokourov tested positive for blood-doping following his victory on Saturday's 13th stage. REUTERS/Stefano Rellandini (FRANCE) 

Astana team rider Andreas Kloden of Germany hides his face as he is seen through the window of a hotel, as the team pulls out of the Tour de France on the second rest day of the 94th Tour de France cycling race in Pau, July 24, 2007. The French gendarmerie has raided the Astana team's hotel on the Tour de France, a witness told Reuters on Tuesday. Astana have pulled out of the race after Kazakh Alexander Vinokourov tested positive for blood-doping following his victory on Saturday's 13th stage. REUTERS/Stefano Rellandini (FRANCE) 

Astana team rider Andreas Kloden of Germany (L) and Rabobank team rider Michael Rasmussen of Denmark (R) cycle with the pack of riders during the 14th stage of the 94th Tour de France cycling race between Mazamet and Plateau de Beille, July 22, 2007. REUTERS/Stefano Rellandini (FRANCE) 

Astana team rider Andreas Kloden of Germany (C) and Rabobank team rider Michael Rasmussen of Denmark (R) cycle with the pack of riders during the 14th stage of the 94th Tour de France cycling race between Mazamet and Plateau de Beille, July 22, 2007. REUTERS/Stefano Rellandini (FRANCE) 

Astana team rider Andreas Kloden of Germany (C) cycles with the pack of riders during the 14th stage of the 94th Tour de France cycling race between Mazamet and Plateau de Beille, July 22, 2007. REUTERS/Stefano Rellandini (FRANCE) 

Astana team rider Andreas Kloden of Germany is assisted after a crash during the 13th time trial stage of the 94th Tour de France cycling race in Albi, July 21, 2007. REUTERS/Thierry Roge (FRANCE) 

Astana team rider Andreas Kloden of Germany cycles during the 13th time trial stage of the 94th Tour de France cycling race in Albi, July 21, 2007. REUTERS/Stefano Rellandini (FRANCE) 

Astana team rider Andreas Kloden of Germany cycles during the 13th time trial stage of the 94th Tour de France cycling race in Albi, July 21, 2007. REUTERS/Stefano Rellandini (FRANCE) 

Astana team rider Andreas Kloden of Germany cycles during the 13th time trial stage of the 94th Tour de France cycling race in Albi, July 21, 2007. REUTERS/Stefano Rellandini (FRANCE)