Wednesday, July 15, 2015

Tour de France: the video that frightens the clan Froome – The World

Le Monde | • Updated | By

Despite outfielder number of its leader in the first mountain stage, the atmosphere is not really the party in Team Sky. The British band was very annoyed by traffic on the Internet of computer files containing the data “RS” of its leader Chris Froome. The “RS”, it is this small sensor in the bicycle pedals. Used by many of the pack, it measures the number of parameters in the race and book great detail on the performance of runners: pedaling frequency, speed, pulse, power

Monday, July 13, at. the rest day in Pau, Dave Brailsford, the manager of Sky, lamented a “hacking” the data of the yellow jersey when he was asked about the doping suspicions which would inevitably born when big performances of his riders in the mountain stages. Sir Dave Brailsford believes that the maneuver seeks to demonstrate that Chris Froome performance is abnormal. He made the big eyes and explained that the team’s lawyers were seized of the case: “Ethically and morally, if you accuse someone of doping, you do not fly [ to do].

That did not stop a video to be published a few hours on Twitter and YouTube. This is the impressive ascent of Mount Ventoux by Chris Froome in the Tour de France 2013. The British had swallowed the 15.9 kilometers to 8.6% average slope forty-eight minutes and thirty-five seconds, either two small seconds Lance Armstrong’s record established in 2000 with Marco Pantani in tow. On the video, together with the flying start of the yellow jersey that leaves behind his opponents, one can scroll through the data in the SRM: the infernal cadence around 100 revolutions per minute, the speed of passing 19 km / h to 31 km / h in four seconds and power that reached 1,028 watts peak acceleration, and heart rate remains relatively constant between 160 and 165 beats per minute.

The former trainer of the Festina team, Antoine Vayer, measurement and analysis to Le Monde for several years the powers developed by the riders of the Tour in the mountains. In 2013, his “radar” had flashed Froome in Mont Ventoux to 418 watts of average, 4 watts more than the Armstrong-Pantani duo

Read also:. The analysis of the ascent of Mount Ventoux in 2013

The specialist performance relayed Froome said video and SRM data on social networks. According to him, if the information on the Sky leader came out, there is not a “hacking” but a “escape” . “ The problem is that the bike suffers from a huge lack of transparency , says Antoine Vayer. However, the publication of such data would be a way to make the bike credible. To explain that a sprinter runs 100 meters in 9 seconds, one can not simply say that it is just exceptional. “ While other runners do not hide, Froome refuses, for example, to communicate his VO 2 max (maximum volume of oxygen or maximal oxygen consumption), factor determinant in endurance sports.

Tuesday, July 14, the video has been removed from the YouTube platform and the Twitter account behind its publication was closed, but reappeared on other platforms. New data were published Wednesday on the website Chronos Watts.

This time a video of an attack of Chris Froome at the 16 th Step the last Tour of Spain.

Before the Tour, Froome had treated “clowns” those who interpret the strength indicators to unmask cheaters in the absence of positive controls . Interviewed Tuesday on this video, he merely replied that “These are data 2013″ . He added, as a plea of ​​inadmissibility: “We are focused on the race, nothing will divert us. “

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