Edmond Polchlopek (20 July 1934 – 21 September 2004) was a French road racing cyclist and a bicycle designer. The so-called Polchlopek crankset was the first elliptical chainring to be commercialized.
References
- Edmond Polchlopek at Cycling Archives (archived, or current page in French)
- L. Malfait, G. Storme, M. Derdeyn (2012) Non Circular Chainrings for Cycling