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…
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
L. Malfait, G. Storme, M. Derdeyn (2012) Non Circular Chainrings for Cycling
Gebaseerd op: Wikipedia — Edmond Polchlopek · auteursgeschiedenis.
Tekst: CC BY-SA 4.0.
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