The O.Symetric Ergo Aerosymetric Triathlon Chainring is the choice of numerous athletes competing in the most prestigious contests in the world. O.Symetric's chain rings have been designed in a custom oval shape to ensure that every pedal stroke transfers maximum power to the rear wheel. This chainring is truly top tier chainring technology. Key Features: - Made for triathlon use- Compatible with Shimano / FSA / Stringlight 11/10 / Vittesses / Speed- 110mm BCD- 7075 T6 aluminium- Oval shape

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