DISRAELI DOCUMENTS

French Patent # 736,594 Addition # 43,692

French Patent 736,594 Addition 43,692 - Super Champion main image

A year after his first patent (French patent # 736,594) Oscar Egg has seen the light. The derailleur (now called Super Champion) works on the lower run of the chain - allowing you to change gear while pedalling forwards. The drawing shows a four speed system.


Share this page