French Patent # 2,750,668 - EGS

French Patent 2,750,668 - EGS main image

This patent covers EGS's upside down pulley cage - as used on the EGS Up Cage derailleur.

The images appear to suggest the use of a fully enclosed chainguard. This would be a welcome development for commuters - but is not exactly the look favoured by the immeasuably cool, radical, French downhillers who actually ended up using the EGS Up Cage!

Browse associated derailleurs.

EGS Up Cage derailleur thumbnail

EGS Up Cage 1998?