Tinkoff-Saxo rider Ivan Basso of Italy poses during the Tour de France cycling race presentation in Utrecht, Netherlands, July 2, 2015. Former Giro d'Italia winner Ivan Basso withdrew from the Tour de France on Monday July 13, 2015 after revealing he has testicular cancer. Picture taken July 2, 2015. REUTERS/Benoit Tessier

Tinkoff-Saxo rider Alberto Contador of Spain (L) leads his team as he sprint with team-mate Ivan Basso of Italy (C) to the finish line in the 28 km (17.4 miles) team time-trial 9th stage of the 102nd Tour de France cycling race from Vannes to Plumelec, France, July 12, 2015. Former Giro d'Italia winner Ivan Basso withdrew from the Tour de France on Monday July 13, 2015 after revealing he has testicular cancer. Picture taken July 12, 2015. REUTERS/Eric Gaillard

Tinkoff-Saxo rider Ivan Basso of Italy poses during the Tour de France cycling race presentation in Utrecht, Netherlands, July 2, 2015. Former Giro d'Italia winner Ivan Basso withdrew from the Tour de France on Monday July 13, 2015 after revealing he has testicular cancer. Picture taken July 2, 2015. REUTERS/Benoit Tessier

Tinkoff-Saxo rider Ivan Basso of Italy cycles during the 13.8 km (8.57 miles) individual time-trial first stage of the 102nd Tour de France cycling race in Utrecht, Netherlands, July 4, 2015. Former Giro d'Italia winner Ivan Basso withdrew from the Tour de France on Monday July 13, 2015 after revealing he has testicular cancer. Picture taken July 4, 2015. REUTERS/Benoit Tessier

Tinkoff-Saxo rider Ivan Basso of Italy cycles during the 13.8 km (8.57 miles) individual time-trial first stage of the 102nd Tour de France cycling race in Utrecht, Netherlands, July 4, 2015. Former Giro d'Italia winner Ivan Basso withdrew from the Tour de France on Monday July 13, 2015 after revealing he has testicular cancer. Picture taken July 4, 2015. REUTERS/Benoit Tessier

Tinkoff-Saxo rider Ivan Basso of Italy cycles during the 13.8 km (8.57 miles) individual time-trial first stage of the 102nd Tour de France cycling race in Utrecht, Netherlands, July 4, 2015. Former Giro d'Italia winner Ivan Basso withdrew from the Tour de France on Monday July 13, 2015 after revealing he has testicular cancer. Picture taken July 4, 2015. REUTERS/Benoit Tessier

Tinkoff-Saxo rider Ivan Basso of Italy cycles during the 13.8 km (8.57 miles) individual time-trial first stage of the 102nd Tour de France cycling race in Utrecht, Netherlands, July 4, 2015. Former Giro d'Italia winner Ivan Basso withdrew from the Tour de France on Monday July 13, 2015 after revealing he has testicular cancer. Picture taken July 4, 2015. REUTERS/Benoit Tessier

Tinkoff-Saxo rider Ivan Basso of Italy cycles during the 13.8 km (8.57 miles) individual time-trial first stage of the 102nd Tour de France cycling race in Utrecht, Netherlands, July 4, 2015. Former Giro d'Italia winner Ivan Basso withdrew from the Tour de France on Monday July 13, 2015 after revealing he has testicular cancer. Picture taken July 4, 2015. REUTERS/Benoit Tessier

Tinkoff-Saxo rider Ivan Basso (L) rides next to Team Sky rider Chris Froome of Britain, race leader's yellow jersey, at the start of the 223.5-km (138.9 miles) 4th stage of the 102nd Tour de France cycling race from Seraing in Belgium, to Cambrai, France, July 7, 2015. Former Giro d'Italia winner Ivan Basso withdrew from the Tour de France on Monday July 13, 2015 after revealing he has testicular cancer. Picture taken July 7, 2015. REUTERS/stefano Rellandini

Liquigas-Cannondale rider Ivan Basso of Italy awaits the start of the eight stage of the 99th Tour de France cycling race between Belfort and Porrentruy July 8, 2012. REUTERS/Stephane Mahe (FRANCE - Tags: SPORT CYCLING)

Liquigas-Cannondale rider Ivan Basso (L) of Italy talks with his team mate compatriot Vincenzo Nibali as they await the start of the eight stage of the 99th Tour de France cycling race between Belfort and Porrentruy July 8, 2012. REUTERS/Stephane Mahe (FRANCE - Tags: SPORT CYCLING)

Liquigas-Cannondale rider Ivan Basso of Italy awaits the start of the eight stage of the 99th Tour de France cycling race between Belfort and Porrentruy July 8, 2012. REUTERS/Stephane Mahe (FRANCE - Tags: SPORT CYCLING)

Liquigas-Cannondale rider Ivan Basso of Italy (R) awaits at the start of the fifth stage of the 99th Tour de France cycling race between Rouen and Saint-Quentin, July 5, 2012. REUTERS/Stephane Mahe (FRANCE - Tags: SPORT CYCLING)

Radioshack-Nissan rider and leader's yellow jersey Fabian Cancellara of Switzerland (L) cycles with Liquigas-Cannondale rider Ivan Basso of Italy (R) during the fifth stage of the 99th Tour de France cycling race between Rouen and Saint-Quentin, July 5, 2012. REUTERS/Stephane Mahe (FRANCE - Tags: SPORT CYCLING)

Liquigas-Cannondale riders Vincenzo Nibali and Ivan Basso (L) of Italy attend a news conference ahead of the 99th Tour de France cycling race in Liege, June 28, 2012. REUTERS/Bogdan Cristel (BELGIUM - Tags: SPORT CYCLING)

Liquigas-Cannondale riders Vincenzo Nibali (R) and Ivan Basso (L) of Italy attend a news conference ahead of the 99th Tour de France cycling race in Liege, June 28, 2012. REUTERS/Bogdan Cristel (BELGIUM - Tags: SPORT CYCLING)

Liquigas-Cannondale rider Ivan Basso of Italy attends a news conference ahead of the 99th Tour de France cycling race in Liege, June 28, 2012. REUTERS/Bogdan Cristel (BELGIUM - Tags: SPORT CYCLING)

Liquigas-Cannondale's Ivan Basso of Italy drinks as he cycles during the 198km (123 miles) 19th stage of the Giro d'Italia, from Treviso to Alpe di Pampeago, May 25, 2012. REUTERS/Alessandro Garofalo (ITALY - Tags: SPORT CYCLING)

Liquigas-Cannondale's Ivan Basso of Italy (C) leads the pink jersey pack as he climbs during the 198km (123 miles) 19th stage of the Giro d'Italia, from Treviso to Alpe di Pampeago May 25, 2012. REUTERS/Alessandro Garofalo (ITALY - Tags: SPORT CYCLING)

Liquigas-Cannondale's Ivan Basso of Italy looks on as he waits for the start of the 149-km Stage 18 of the Giro d'Italia, from San Vito di Cadore to Vedelago, in San Vito di Cadore May 24, 2012. REUTERS/Alessandro Garofalo (ITALY - Tags: SPORT CYCLING)

Katusha Team's Joaquim Rodriguez of Spain (C), wearing the leader pink jersey, sprints ahead of Liquigas-Cannondale's Ivan Basso of Italy (R) and Garmin-Barracuda's Ryder Hesjedal of Canada, to win the 186-km 17th stage of the Giro d'Italia from Falzes to Cortina D'Ampezzo May 23, 2012. REUTERS/Alessandro Garofalo (ITALY - Tags: SPORT CYCLING)

Liquigas-Cannondale's Ivan Basso of Italy (L) leads the pink jersey pack as he climbs during the 186-km 17th stage of the Giro d'Italia from Falzes to Cortina D'Ampezzo May 23, 2012. REUTERS/Alessandro Garofalo (ITALY - Tags: SPORT CYCLING)

Liquigas-Cannondale's Ivan Basso of Italy (R) leads the pink jersey pack as he climbs during the 186-km 17th stage of the Giro d'Italia from Falzes to Cortina D'Ampezzo May 23, 2012. REUTERS/Alessandro Garofalo (ITALY - Tags: SPORT CYCLING)

Liquigas-Cannondale's Ivan Basso of Italy (C) leads the pink jersey pack as he climbs during the 186-km 17th stage of the Giro d'Italia from Falzes to Cortina D'Ampezzo May 23, 2012. REUTERS/Alessandro Garofalo (ITALY - Tags: SPORT CYCLING)

Liquigas-Cannondale's Ivan Basso of Italy (R) leads the pink jersey pack as he climbs during the 186-km 17th stage of the Giro d'Italia from Falzes to Cortina D'Ampezzo May 23, 2012. REUTERS/Alessandro Garofalo (ITALY - Tags: SPORT CYCLING)

Katusha Team's Joaquim Rodriguez of Spain, wearing the leader pink jersey, celebrates as he crosses the finish line ahead of Liquigas-Cannondale's Ivan Basso of Italy (C) and Garmin-Barracuda's Ryder Hesjedal of Canada, to win the 186-km 17th stage of the Giro d'Italia from Falzes to Cortina D'Ampezzo May 23, 2012. REUTERS/Alessandro Garofalo (ITALY - Tags: SPORT CYCLING)

Liquigas-Cannondale's Ivan Basso of Italy climbs during the 173-km (107-mile) 16th stage of the Giro d'Italia from Limone sul Garda to Falzes May 22, 2012. REUTERS/Alessandro Garofalo (ITALY - Tags: SPORT CYCLING)

Liquigas-Cannondale's Ivan Basso of Italy cycles as he leads the pink jersey pack during the 169 km 15th stage of the Giro d'Italia from Busto Arsizio to Pian de Resinelli May 20, 2012. REUTERS/Luca Bettini/Pool (ITALY - Tags: SPORT CYCLING)

Lampre-ISD's Michele Scarponi of Italy (R) jokes with Liquigas-Cannondale's Ivan Basso of Italy before the start of the 121-km 13th stage from Savona to Cervere of the Giro d'Italia May 18, 2012. REUTERS/Alessandro Garofalo (ITALY - Tags: SPORT CYCLING)

Katusha Team's Joaquim Rodriguez Oliver of Spain, wearing the leader's pink jersey, climbs ahead of Liquigas Cannondale's Ivan Basso of Italy (R) during the 155-km 12th stage from Seravezza to Sestri Levante of the Giro d'Italia May 17, 2012. REUTERS/Alessandro Garofalo (ITALY - Tags: SPORT CYCLING)

Liquigas-Cannondale's Ivan Basso of Italy (R) pedals ahead of Lampre-ISD's Michele Scarponi of Italy during the 229-km eighth stage from Sulmona to Lago Laceno of the Giro d'Italia May 13, 2012. REUTERS/Alessandro Garofalo (ITALY - Tags: SPORT CYCLING)

Liquigas-Cannondale Ivan Basso (C) pedals during the 205-km seventh stage of the Giro d'Italia from Recanati to Rocca di Cambio May 12, 2012. REUTERS/Alessandro Garofalo (ITALY - Tags: SPORT CYCLING)

Liquigas-Cannondale's Ivan Basso of Italy (R) and Radioshack-Nissan's Frank Schleck of Luxembourg wait the start of the 209-km (130-mile) sixth stage from Urbino to Porto Sant'Elpidio of the Giro d'Italia May 11, 2012. REUTERS/Alessandro Garofalo (ITALY - Tags: SPORT CYCLING)

Liquigas-Cannondale's Ivan Basso of Italy (R) and Radioshack-Nissan's Frank Schleck of Luxembourg wait the start of the 209-km (130-mile) sixth stage from Urbino to Porto Sant'Elpidio of the Giro d'Italia May 11, 2012. REUTERS/Alessandro Garofalo (ITALY - Tags: SPORT CYCLING)

Liquigas-Cannondale's Ivan Basso of Italy arrives prior the start of the 209-km (130-mile) sixth stage from Urbino to Porto Sant'Elpidio of the Giro d'Italia May 11, 2012. REUTERS/Alessandro Garofalo (ITALY - Tags: SPORT CYCLING)

Liquigas rider Ivan Basso of Italy rides during the opening time trial of the Giro d'Italia in Herning May 5, 2012. Taylor Phinney of the U.S. won the stage and took the leader pink jersey after the 8.7 km time trial through the streets of Herning in Denmark. The 95th Giro d'Italia starts in Herning, Denmark and finishes in Milan, northern Italy on May 27. REUTERS/Stefano Rellandini (DENMARK - Tags: SPORT CYCLING)

BMC team rider Cadel Evans (R) and Liquigas-Cannondale rider Ivan Basso cycle during the fourth stage of the Tour de Romandie cycling race from Bulle to Sion, April 28, 2012. REUTERS/Denis Balibouse (SWITZERLAND - Tags: SPORT CYCLING)

Liquigas rider Ivan Basso of Italy looks on before the start of the Tour of Lombardy from Milan to Lecco October 15, 2011. REUTERS/Alessandro Garofalo (ITALY - Tags: SPORT CYCLING)

Liquigas-Cannondale rider Ivan Basso of Italy pedals during the 20th time trial stage in Grenoble during the Tour de France cycling race July 23, 2011. REUTERS/Stefano Rellandini (FRANCE - Tags: SPORT CYCLING)

Liquigas' Ivan Basso of Italy descends the Col du Galibier during the 19th stage of the Tour de France cycling race, from Modane to Alpe d' Huez, July 22, 2011. REUTERS/Stefano Rellandini (FRANCE - Tags: SPORT CYCLING)

Liquigas rider Ivan Basso (R) of Italy climbs followed by Leopard-Trek rider Andy Schleck of Luxembourg during the 18th stage of the Tour de France 2011 cycling race from Pinerolo to Le Galibier-Serre Chevalier July 21, 2011. Schleck won the stage while Europcar rider Thomas Voeckler of France retained the leader's yellow jersey. REUTERS/Stefano Rellandini (FRANCE - Tags: SPORT CYCLING)

Liquigas-Cannondale team rider Ivan Basso of Italy races to finish the 18th stage of the Tour de France 2011 cycling race from Pinerolo to Le Galibier-Serre Chevalier July 21, 2011. REUTERS/Stefano Rellandini (FRANCE - Tags: SPORT CYCLING)

Europcar rider Thomas Voeckler (R) of France with the leader's yellow jerseytalks with Liquigas rider Ivan Basso of Italy before the start of the 17th stage of the Tour de France 2011 cycling race from Gap to Pinerolo, northern Italy July 20, 2011. REUTERS/Denis Balibouse (FRANCE - Tags: SPORT CYCLING)

Leopard-Trek rider Andy Schleck (L) of Luxembourg talks with Liquigas rider Ivan Basso of Italy before the start of the 17th stage of the Tour de France 2011 cycling race from Gap to Pinerolo, northern Italy July 20, 2011. REUTERS/Denis Balibouse (FRANCE - Tags: SPORT CYCLING)

Liquigas-Cannondale rider Ivan Basso of Italy (C) cycles with teammates during the 15th stage of the Tour de France 2011 cycling race from Limoux to Montpellier July 17, 2011. REUTERS/Denis Balibouse (FRANCE - Tags: SPORT CYCLING)

BMC rider Cadel Evans of Australia (R) cycles ahead of Leopard-Trek rider Andy Schleck of Luxembourg (2nd R), Europcar rider Thomas Voeckler of France, Liquigas rider Ivan Basso of Italy (2nd L) and Saxo Bank rider Alberto Contador of Spain during the 14th stage of the Tour de France 2011 cycling race from Saint-Gaudens to Plateau de Beille July 16, 2011. REUTERS/Bernard Papon/Pool (FRANCE - Tags: SPORT CYCLING)

BMC rider Cadel Evans of Australia (R) cycles ahead of Leopard-Trek rider Andy Schleck of Luxembourg (2nd R), Europcar rider Thomas Voeckler of France, Liquigas rider Ivan Basso of Italy (2nd L) and Saxo Bank rider Alberto Contador of Spain during the 14th stage of the Tour de France 2011 cycling race from Saint-Gaudens to Plateau de Beille July 16, 2011. REUTERS/Bernard Papon/Pool(FRANCE - Tags: SPORT CYCLING)

BMC rider Cadel Evans of Australia (R) cycles ahead of Leopard-Trek rider Andy Schleck of Luxembourg (2nd R) and Liquigas rider Ivan Basso of Italy (L) during the 14th stage of the Tour de France 2011 cycling race from Saint-Gaudens to Plateau de Beille July 16, 2011. REUTERS/Bernard Papon/Pool (FRANCE - Tags: SPORT CYCLING)

Europcar rider Thomas Voeckler of France (2nd L) looks at contenders BMC rider Cadel Evans of Australia (3rd L-R), Saxo Bank-Sungard rider Alberto Contador of Spain, Leopard-Trek rider Andy Schleck of Luxembourg and Liquigas rider Ivan Basso of Italy, during the 14th stage of the Tour de France 2011 cycling race from Saint-Gaudens to Plateau de Beille July 16, 2011. REUTERS/Bernard Papon/Pool (FRANCE - Tags: SPORT CYCLING)

Liquigas rider Ivan Basso of Italy looks at the start of the 13th stage of the Tour de France 2011 cycling race from Pau to Lourdes July 15, 2011. REUTERS/Denis Balibouse (FRANCE - Tags: SPORT CYCLING)

Liquigas rider Ivan Basso of Italy smiles at the start of the 13th stage of the Tour de France 2011 cycling race from Pau to Lourdes July 15, 2011. REUTERS/Denis Balibouse (FRANCE - Tags: SPORT CYCLING)

Euskaltel-Euskadi team rider Samuel Sanchez (L) of Spain wearing the climber jersey chats with Liquigas rider Ivan Basso of Italy before the 13th stage of the Tour de France 2011 cycling race from Pau to Lourdes July 15, 2011. REUTERS/Denis Balibouse (FRANCE - Tags: SPORT CYCLING)

Liquigas rider Ivan Basso of Italy climbs followed by BMC Racing Team's Cadel Evans of Australia 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/Bernard Papon/Pool (FRANCE - Tags: SPORT CYCLING)

Liquigas rider Ivan Basso (C) of Italy climbs next to BMC Racing Team's Cadel Evans of Australia (R) 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/Bernard Papon/Pool (FRANCE - Tags: SPORT CYCLING)

Liquigas rider Ivan Basso of Italy smiles before the start of the sixth stage of the Tour de France 2011 from Dinan to Lisieux July 7, 2011. REUTERS/Stefano Rellandini (FRANCE - Tags: SPORT CYCLING)

Leopard-Trek rider Fabian Cancellara (L) of Switzerland talks with Liquigas-Cannondale rider Ivan Basso of Italy at the start of the third stage of the Tour de France 2011 cycling race from Olonne-sur-Mer to Redon July 4, 2011. REUTERS/Denis Balibouse (FRANCE - Tags: SPORT CYCLING)

Leopard-Trek rider Fabian Cancellara (L) of Switzerland talks with Liquigas-Cannondale rider Ivan Basso of Italy at the start of the third stage of the Tour de France 2011 cycling race from Olonne-sur-Mer to Redon July 4, 2011. REUTERS/Denis Balibouse (FRANCE - Tags: SPORT CYCLING)

Liquigas-Cannondale's Ivan Basso of Italy cycles during the individual time trial prologue of the Dauphine cycling race in Saint-Jean-de-Maurienne, French Alps, June 5, 2011. REUTERS/Robert Pratta (FRANCE - Tags: SPORT CYCLING)

Liquigas team rider Ivan Basso of Italy poses with the trophy on the podium after winning the 101st Giro d'Italia cycling race at the ancient arena of Verona May 30, 2010. REUTERS/Alessandro Garofalo (ITALY - Tags: SPORT CYCLING)

Liquigas team rider Ivan Basso of Italy poses with the trophy on the podium after winning the 101st Giro d'Italia cycling race at the ancient arena of Verona May 30, 2010. REUTERS/Giovanni Auletta/Pool (ITALY - Tags: SPORT CYCLING)