* 2017 ASEE Zone II Conference An Experimental Study on the Efficiency of Bicycle Transmissions R. Bolen and C. M. Archibald Grove City College, Grove City, PA
** Efficiency Measurements of Bicycle Transmissions – a neverending Story? by Bernhard Rohloff and Peter Greb, Wirkungsgrad von Fahrradantrieben von Prof. Dr. Ing Hubert Hinzen, Fachbereich Technik, Hochschule Trier
*** Developed by the Instinctiv Design team at alskar.com