early aero cable assist return sprung?

manuelschafer

Old School Hero
Ok fishing/pushing a bit on the dia compe site of things,
& for the online archive to also help other folks with their pursuits in order to desireably stay period correct.

iv previously posted here but that subject seems way to old to get attention ;)
https://www.retrobike.co.uk/threads/earliest-aero-levers.200208/
So here my question in regards despite,
The velobase already beeing a good general guideline
Dia Compe brake levers, direct link:
https://velobase.com/ListComponents.aspx?BrandID=ad4fe5d0-ea83-47dc-8cd8-b72b4ad94936there are only 3 aero models listed nebst the 251, -> 2timesthe 250 ? are these (in)correctly labeled?.

Which version/ones came first or what was the evolution for these? :
AC (250) G (propably beeing forerunner of the AGC? )
AGC 250 G (model number lends itself to answer :) )

Did the slotted types already get a return spring for cable assist, which the G stands for?
Were any of these compact levers?
1646124058719.png

1646124120667.png

a bit odd but there also must have been a relabeled intermediate version;

1646123499474.png


Hey i understand that it gets a bit blurry with all the variations Dia compe made to levers throughout the years,
just thought the AERO variants could be timelined a bit better...... hence a seperat thread for them! :D
 
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