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Sean Mazich of the Jelly Bean Cycling Team leaves the start during the Amgen Tour of California second stage individual time trial in Folsom, Calif., on Monday, May 12, 2014.(AP Photo/Steve Yeater) ( FRE )

Sir Bradley Wiggins of Great Britain riding for Team Sky races the individual time trial to victory in Stage 2 and takes the overall race lead in the 2014 Amgen Tour of California on May 12, 2014, in Sacramento, Calif. (Doug Pensinger/Getty Images) ( 489851353 )

Steve Fisher of the Jelly Belly Cycling Team heads out of the starting gate during the Amgen Tour of California second stage individual time trial in Folsom, Calif., on Monday, May 12, 2014.(AP Photo/Steve Yeater) ( FRE )

Sir Bradley Wiggins of Great Britain riding for Team Sky races to the finish line during the individual time trial in Stage 2 of the 2014 Amgen Tour of California on May 12, 2014, in Sacramento, Calif. (Ezra Shaw/Getty Images) ( 489851299 )

Alison Powers races to victory in the women's individual time trial in Stage 2 of the 2014 Amgen Tour of California on May 12, 2014, in Sacramento, Calif. (Doug Pensinger/Getty Images) ( 489816563 )

Alison Powers celebrates on the podium after winning the women's individual time trial in Stage 2 of the 2014 Amgen Tour of California on May 12, 2014, in Sacramento, Calif. (Doug Pensinger/Getty Images) ( 489816543 )

Rohan Dennis of Australia riding for Team Garmin-Sharp starts the individual time trial in Stage 2 of the 2014 Amgen Tour of California on May 12, 2014, in Sacramento, Calif. (Ezra Shaw/Getty Images) ( 489851379 )

Lawson Craddock of the USA riding for Team Giant-Shimano races to the finish line during the individual time trial in Stage 2 of the 2014 Amgen Tour of California on May 12, 2014, in Sacramento, Calif. (Ezra Shaw/Getty Images) ( 489852259 )

Rohan Dennis of Australia riding for Team Garmin-Sharp races to second place in the individual time trial in Stage 2 of the 2014 Amgen Tour of California on May 12, 2014, in Sacramento, Calif. (Doug Pensinger/Getty Images) ( 489851345 )

Laurens Ten Dam, of the Belkin Cycling Team, lies on the pavement after crashing near the finish line with Markel IrizarAranburu of Trek Factory Racing during the Amgen Tour of California second stage individual time trial in Folsom, Calif., on Monday, May 12, 2014.(AP Photo/Steve Yeater) ( FRE )

Laurens Ten Dam of the Netherlands riding for the Belkin-Pro Cycling Team sits on the ground after crashing just past the finish line during the individual time trial in stage two of the 2014 Amgen Tour of California on May 12, 2014 in Sacramento, California. (Photo by Ezra Shaw/Getty Images) ( Staff )

Taylor Phinney of the USA riding for the BMC Racing Team races to third place in the individual time trial in Stage 2 of the 2014 Amgen Tour of California on May 12, 2014, in Sacramento, Calif. (Doug Pensinger/Getty Images) ( 489851351 )

Taylor Phinney of the USA riding for the BMC Racing Team races to the finish line during the individual time trial in Stage 2 of the 2014 Amgen Tour of California on May 12, 2014, in Sacramento, Calif. (Ezra Shaw/Getty Images) ( 489851343 )

Tiago Machado of Portugal riding for Team Netapp-Endura races to the finish line during the individual time trial in stage two of the 2014 Amgen Tour of California on May 12, 2014 in Sacramento, California. (Photo by Ezra Shaw/Getty Images) ( Staff )

Cycling fans cheer on their favorite riders during the Amgen Tour of California second stage individual time trial in Folsom, Calif., on Monday, May 12, 2014.(AP Photo/Steve Yeater) ( FRE )

Mark Cavendish of team Omega Pharma Quick Step looks over the starting area before the Amgen Tour of California second stage individual time trial in Folsom, Calif., on Monday, May 12, 2014.(AP Photo/Steve Yeater) ( FRE )

Luke Rowe of Team SKY rides past fans near the start of the Amgen Tour of California second stage individual time trial in Folsom, Calif., on Monday, May 12, 2014.(AP Photo/Steve Yeater) ( FRE )

Rohan Dennis of Australia riding for Team Garmin-Sharp in second place, Sir Bradley Wiggins of Great Britain riding for Team Sky in first place and Taylor Phinney of the USA riding for the BMC Racing Team in third place take the podium for the individual time trial in stage two of the 2014 Amgen Tour of California on May 12, 2014 in Sacramento, California. (Photo by Doug Pensinger/Getty Images) ( Staff )

Sir Bradley Wiggins of Great Britain riding for Team Sky takes the podium after winning the individual time trial in stage two and claiming the overall race leader's jersey in the 2014 Amgen Tour of California on May 12, 2014 in Sacramento, California. (Photo by Doug Pensinger/Getty Images) ( Staff )