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Osymetric is a French make of ovoid bicycle chainring which has a non-circular shape whose angle is tailored to the pedal stroke of the individual cyclist. These were designed by engineer Jean-Louis Talo who claims that this improves cycling performance. Such chainrings were used by professional cyclists Bradley Wiggins and Chris Froome for their Tour de France victories.[1][2]

A crankset with a variable angle Cervélo Rotor crank and Osymetric chain ring
A crankset with a variable angle Cervélo Rotor crank and Osymetric chain ring

See also



References


  1. Daniel McMahon (20 July 2016), "Chris Froome is using these weird chainrings, and they might be helping him win a historic 3rd Tour de France", Business Insider
  2. Oliver Bridgewood (23 March 2015), "Osymetric chainrings: do they work?", Cycling Weekly

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