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Why does Chris Froome use Osymetric chainrings and do they work

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Subscribe to Cycling Weekly here: Three time Tour de France winner Chris Froome discusses Osymetric chainrings and why they work for him. Five years after Sir Bradley Wiggins became the first Briton to win the Tour de France riding oval rings, Chris Froome continues to use Osymetric chainrings on his Team Sky bike. Wiggins reverted to round rings towards the end of his career and continued to win at the highest level, including the World Championship time trial. Froome has ridden them since 2011, and has since won three Tour titles using the Osymetric rings. In addition to Osymetric, Rotor’s Q-rings continue to be used by a considerable number of professional riders. But should you consider using a cam-shaped ring? Jean-Louis Talo, a mechanical engineer from Menton, France, produced a prototype Osymetric ring and has spent 22 years trying to convince the cycling world that it works. “You can alter the design so that you give the leg muscles

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