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The pack of riders cycles on its way during the 205.5 km seventh stage of the centenary Tour de France cycling race from Montpellier to Albi July 5, 2013. REUTERS/Jean-Paul Pelissier ( CYCLING-TOUR/ )

The pack passes during the seventh stage of the Tour de France cycling race over 205.5 kilometers (128.5 miles) with start in Montpellier and finish in Albi, southern France, Friday July 5, 2013. (AP Photo/Christophe Ena) ( Cycling Tour de France )

Peter Sagan of Slovakia, wearing the best sprinter's green jersey, and Daryl Impey of South Africa, wearing the overall leader's yellow jersey, ride in the pack during the seventh stage of the Tour de France cycling race over 205.5 kilometers (128.5 miles) with start in Montpellier and finish in Albi, southern France, Friday July 5, 2013. (AP Photo/Christophe Ena) ( Cycling Tour de France )

Spectators watch from atop a statue as the pack gets ready to take the start of the seventh stage of the Tour de France cycling race over 205.5 kilometers (128.5 miles) with start in Montpellier and finish in Albi, southern France, Friday July 5, 2013. (AP Photo/Christophe Ena) ( Cycling Tour de France )

Orica Greenedge team rider Daryl Impey (C) of South Africa, wearing the leader's yellow jersey, leads the pack of riders during the 205.5 km seventh stage of the centenary Tour de France cycling race from Montpellier to Albi July 5, 2013. Impey is the first African to wear the leader's yellow jersey in Tour de France history. REUTERS/Eric Gaillard ( CYCLING-TOUR/ )

MONTPELLIER, FRANCE - JULY 05: Riders set off for the start of stage seven of the 2013 Tour de France, a 205.5KM road stage from Montpellier to Albi, on July 5, 2013 in Montpellier, France. (Photo by Doug Pensinger/Getty Images) ( 172830385 )

Overall leader's yellow jersey, South Africa's Daryl Impey, rides during the 205.5 km seventh stage of the 100th edition of the Tour de France cycling race on July 5, 2013 between Montpellier and Albi, southwestern France. JEFF PACHOUD/AFP/Getty Images ( 521159058 )

Daryl Impey of South Africa, wearing the overall leader's yellow jersey, Christopher Froome of Britain, center with number 1, and Cadel Evans of Australia, center in red with number 31, climb Croix de Mounis pass with the pack during the seventh stage of the Tour de France cycling race over 205.5 kilometers (128.5 miles) with start in Montpellier and finish in Albi, southern France, Friday July 5, 2013. (AP Photo/Laurent Cipriani) ( APTOPIX Cycling Tour de France )

Johannes Frohlinger of Germany holds a water bottle during the seventh stage of the Tour de France cycling race over 205.5 kilometers (128.5 miles) with start in Montpellier and finish in Albi, southern France, Friday July 5, 2013. (AP Photo/Christophe Ena) ( Cycling Tour de France )

Team Cannondale leads the chase of the first pack for their sprinter Peter Sagan of Slovakia, last in line in the best sprinter's green jersey, during the seventh stage of the Tour de France cycling race over 205.5 kilometers (128.5 miles) with start in Montpellier and finish in Albi, southern France, Friday July 5, 2013. Center is Daryl Impey of South Africa, wearing the overall leader's yellow jersey. (AP Photo/Christophe Ena) ( Cycling Tour de France )

The pack of riders cycles on its way during the 205.5 km seventh stage of the centenary Tour de France cycling race from Montpellier to Albi July 5, 2013. REUTERS/Eric Gaillard ( CYCLING-TOUR/ )

SAINT-GENIES-DE-VARENSAL, FRANCE - JULY 05: The peloton climbs the Col de la Croix de Mounis during stage seven of the 2013 Tour de France, a 205.5KM road stage from Montpellier to Albi on July 5, 2013 in Saint-Genies-de-Varensal, France. (Photo by Doug Pensinger/Getty Images) ( 172893293 )

MONTPELLIER, FRANCE - JULY 05: Riders are involved in a crash during stage seven of the 2013 Tour de France, a 205.5KM road stage from Montpellier to Albi, on July 5, 2013 in Montpellier, France. (Photo by Doug Pensinger/Getty Images) ( 172832592 )

MONTPELLIER, FRANCE - JULY 05: Christian Vande Velde of the United States and Garmin-Sharp is attended to following a crash during stage seven of the 2013 Tour de France, a 205.5KM road stage from Montpellier to Albi, on July 5, 2013 in Montpellier, France. (Photo by Doug Pensinger/Getty Images) ( 172832508 )

MONTPELLIER, FRANCE - JULY 05: The peloton passes through countryside during stage seven of the 2013 Tour de France, a 205.5KM road stage from Montpellier to Albi, on July 5, 2013 in Montpellier, France. (Photo by Doug Pensinger/Getty Images) ( 172830832 )

Simon Geschke of Germany, left, collects water bottles from his team car during the seventh stage of the Tour de France cycling race over 205.5 kilometers (128.5 miles) with start in Montpellier and finish in Albi, southern France, Friday July 5, 2013. (AP Photo/Christophe Ena) ( Cycling Tour de France )

ALBI, FRANCE - JULY 05: The peloton passes through countryside during stage seven of the 2013 Tour de France, a 205.5KM road stage from Montpellier to Albi, on July 5, 2013 in Montpellier, France. (Photo by Bryn Lennon/Getty Images) ( 172833143 )

SAINT-GERVAIS-SUR-MARE, FRANCE - JULY 05: Chris Froome of Great Britain riding for Team Sky Procycling descends the Col des 13 Vents during stage seven of the 2013 Tour de France, a 205.5KM road stage from Montpellier to Albi on July 5, 2013 in Saint-Gervais-sur-Mare, France. (Photo by Doug Pensinger/Getty Images) ( 172893317 )

The pack of riders cycles on its way during the 205.5 km seventh stage of the centenary Tour de France cycling race from Montpellier to Albi July 5, 2013. REUTERS/Jean-Paul Pelissier ( CYCLING-TOUR/ )

Cyclists ride past a man holding a placard reading "Dope makes hair grow" during the 205.5 km seventh stage of the 100th edition of the Tour de France cycling race on July 5, 2013 between Montpellier and Albi, southwestern France. JOEL SAGET/AFP/Getty Images ( 521161822 )

Supporters wait for the pack of riders during the 205.5 km seventh stage of the centenary Tour de France cycling race from Montpellier to Albi July 5, 2013. REUTERS/Eric Gaillard ( CYCLING-TOUR/ )

ALBI, FRANCE - JULY 05: Daryl Impey of South Africa riding for Orica-GreenEDGE ride in the peloton as he defended the overall race leader's yellow jersey in stage seven of the 2013 Tour de France, a 205.5KM road stage from Montpellier to Albi, on July 5, 2013 in Albi, France. (Photo by Doug Pensinger/Getty Images) ( 172883809 )

Christopher Froome of Britain, left, and Sylvain Chavanel of France, second right, ride in the pack during the seventh stage of the Tour de France cycling race over 205.5 kilometers (128.5 miles) with start in Montpellier and finish in Albi, southern France, Friday July 5, 2013. (AP Photo/Christophe Ena) ( Cycling Tour de France )

Supporters dressed like Canadian mounted policemen make the military salute as cyclists ride past during the 205.5 km seventh stage of the 100th edition of the Tour de France cycling race on July 5, 2013 between Montpellier and Albi, southwestern France. JOEL SAGET/AFP/Getty Images ( 521157300 )

ALBI, FRANCE - JULY 05: Joe and Julie Price of Colorado Springs display a Colorado flag near the start of stage seven of the 2013 Tour de France, a 205.5KM road stage from Montpellier to Albi, on July 5, 2013 in Albi, France. (Photo by Doug Pensinger/Getty Images) ( 172893438 )

The pack rides during the 205.5 km seventh stage of the 100th edition of the Tour de France cycling race on July 5, 2013 between Montpellier and Albi, southwestern France. JOEL SAGET/AFP/Getty Images ( 521154635 )

MONTPELLIER, FRANCE - JULY 05: during stage seven of the 2013 Tour de France, a 205.5KM road stage from Montpellier to Albi, on July 5, 2013 in Montpellier, France. (Photo by Bryn Lennon/Getty Images) ( 172855359 )

ALBI, FRANCE - JULY 05: Peter Sagan of Slovakia riding for Cannondale takes the podium as he celebrates his victory in stage seven of the 2013 Tour de France, a 205.5KM road stage from Montpellier to Albi, on July 5, 2013 in Albi, France. (Photo by Doug Pensinger/Getty Images) ( 172883930 )

ALBI, FRANCE - JULY 05: Daryl Impey of South Africa riding for Orica-GreenEDGE takes the podium after defending the overall race leader's yellow jersey in stage seven of the 2013 Tour de France, a 205.5KM road stage from Montpellier to Albi, on July 5, 2013 in Albi, France. (Photo by Doug Pensinger/Getty Images) ( 172883939 )

ALBI, FRANCE - JULY 05: Biel Kadri of France riding for AG2R-La Mondiale takes the podium after earning the king of the mountains polka dot jersey in stage seven of the 2013 Tour de France, a 205.5KM road stage from Montpellier to Albi, on July 5, 2013 in Albi, France. (Photo by Doug Pensinger/Getty Images) ( 172884134 )

France's Thomas Voeckler (C) raises his bike as riders block the road after falling during the 205.5 km seventh stage of the 100th edition of the Tour de France cycling race on July 5, 2013 between Montpellier and Albi, southwestern France. JOEL SAGET/AFP/Getty Images ( 521156412 )