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The peloton heads for a tunnel on California Highway 1 as they race along the Pacific Ocean during Stage 4 of the 2014 Amgen Tour of California from Monterey to Cambria on May 14, 2014, in Monterey County, Calif. (Doug Pensinger/Getty Images) ( 490603985 )

The peloton races on California Highway 1 during Stage 4 of the 2014 Amgen Tour of California from Monterey to Cambria on May 14, 2014, in Monterey County, Calif. (Doug Pensinger/Getty Images) ( 490618105 )

The peloton races along the Pacific Ocean during Stage 4 of the 2014 Amgen Tour of California from Monterey to Cambria on May 14, 2014 in Monterey County, Calif. (Doug Pensinger/Getty Images) ( 490595977 )

Will Routley of Canada, riding for Optum p/b Kelly Benefit Strategies, rides at the front of the breakaway along with Gregory Daniel, left, of the USA, riding for the Bissell Development Team, and Jonathan Clarke, right, of Australia, riding for the UnitedHealthcare Pro Cycling Team, in Stage 4 of the 2014 Amgen Tour of California from Monterey to Cambria on May 14, 2014 in Monterey County, Calif. (Doug Pensinger/Getty Images) ( 490603907 )

Sir Bradley Wiggins of Great Britain, riding for Team Sky, defends the overall race leader's jersey during Stage 4 of the 2014 Amgen Tour of California from Monterey to Cambria on May 14, 2014 in Monterey County, Calif. (Doug Pensinger/Getty Images) ( 490603919 )

The peloton rides along California Highway 1 just past the Bixby Bridge during Stage 4 of the 2014 Amgen Tour of California from Monterey to Cambria on May 14, 2014, in Big Sur, Calif. (Ezra Shaw/Getty Images) ( 490602867 )

Christopher Jones leads a breakaway pack of six riders as the 2014 Amgen Tour of California passes by Sobranes Point in northern Big Sur, Calif., on Wednesday May 14, 2014. The fourth stage took riders from downtown Monterey along Highway 1 to Cambria in San Luis Obispo County. (AP Photo/Monterey CountyHerald, David Royal) ( Tour of California )

Will Routley of Canada, riding for Optum p/b Kelly Benefit Strategies, celebrates after he crossed the finish line to win Stage 4 of the 2014 Amgen Tour of California from Monterey to Cambria on May 14, 2014 in Cambria, Calif. (Ezra Shaw/Getty Images) ( 490594797 )

Martin Velits of Slovakia, riding for the Omega Pharma-Quickstep Cycling Team, rides at the front as he and his teammates fail in their attempt for the peloton to catch the breakaway as Mark Cavendish, left, of Great Britain, riding for the Omega Pharma-Quickstep Cycling Team lost the green points leader's jersey, in Stage 4 of the 2014 Amgen Tour of California from Monterey to Cambria on May 14, 2014, in Cambria, Calif. (Doug Pensinger/Getty Images) ( 490602885 )

Mark Cavendish, second from right, of Great Britain, riding for the Omega Pharma-Quickstep Cycling Team in the green points leader's jersey, and Sir Bradley Wiggins, second from left, of Great Britain, riding for Team Sky in the overall race leader's yellow jersey, ride in the peloton in Stage 4 of the 2014 Amgen Tour of California from Monterey to Cambria on May 14, 2014 in Cambria, Calif. (Doug Pensinger/Getty Images) ( 490603157 )

Will Routley of Canada, riding for Optum p/b Kelly Benefit Strategies, celebrates as he walks on to the podium for winning Stage 4 of the 2014 Amgen Tour of California from Monterey to Cambria on May 14, 2014 in Cambria, Calif. (Ezra Shaw/Getty Images) ( 490603565 )

Sir Bradley Wiggins of Great Britain, riding for Team Sky, autographs his likeness for Reagan Joner of Washington prior to Stage 4 of the 2014 Amgen Tour of California from Monterey to Cambria on May 14, 2014 in Monterey, Calif. (Doug Pensinger/Getty Images) ( 490618049 )