DISRAELI DOCUMENTS

L'Officiel A.C.M. 19th May 1935 - Changement de vitesses de cycles

L'Officiel A.C.M. 19th May 1935 - Changement de vitesses de cycles main image

This short piece describes Le Super-Leader fork type derailleur. It should be noted that the chain tension arm uses a long smoothly curving spur that runs through the loop at the end of a sprung arm. This is very similar to the mechanism on the Super-Leader Compétition.

(Source gallica.bnf.fr/ Bibliothèque nationale de France)


L'Officiel A.C.M. 19th May 1935 - Changement de vitesses de cycles main image
L'Officiel A.C.M. 19th May 1935 - Changement de vitesses de cycles additional image 01