Astana's

Contador, who has won the past two Castilla and Leon races, was unable to defend his Tour title in 2008 because of Astana's doping scandals the previous year.

Armstrong, Contador team up in Castilla Leon race 2009

Astana's Contador did all that was required to claim the title.

Contador completes his win at Vuelta de Castilla and Leon 2010

The concert was to have taken place on July 4th in Astana's futuristic Republican Velodrome venue.

Martin Lewis: Sting: "Sending out an S.O.S." on Kazakh Human Rights Abuses Martin Lewis 2011

"I think this race is going to get a lot harder, and our team won't look the same or feel the same as it does now," he said about Astana's dominance in the race so far.

Fedrigo wins Tour's ninth stage; Armstrong still in third 2009

The concert was to have taken place on July 4th in Astana's futuristic Republican Velodrome venue.

Martin Lewis: Sting: "Sending out an S.O.S." on Kazakh Human Rights Abuses Martin Lewis 2011

The concert was to have taken place on July 4th in Astana's futuristic Republican Velodrome venue.

Martin Lewis: Sting: "Sending out an S.O.S." on Kazakh Human Rights Abuses Martin Lewis 2011

The concert was to have taken place on July 4th in Astana's futuristic Republican Velodrome venue.

Martin Lewis: Sting: "Sending out an S.O.S." on Kazakh Human Rights Abuses Martin Lewis 2011

The concert was to have taken place on July 4th in Astana's futuristic Republican Velodrome venue.

Martin Lewis: Sting: "Sending out an S.O.S." on Kazakh Human Rights Abuses Martin Lewis 2011

The concert was to have taken place on July 4th in Astana's futuristic Republican Velodrome venue.

Martin Lewis: Sting: "Sending out an S.O.S." on Kazakh Human Rights Abuses Martin Lewis 2011

Astana's Andreas Kloeden of Germany is fourth, meaning that Contador is counting on two teammates in the top five to help him to retain the jersey.

Contador says tensions with Armstrong have eased 2009