Chorus 11 Speed Identification

[grateful]

Can anyone identify the year(s) of this Chorus 11 speed crank. I am building a new group and this is the starting point.

Thanks,
Brad

[Mark McM]

A good starting point is to compare it to the photos in the Campagnolo catalogs. Campagnolo has published its product catalogs from the last 15 years or so (the entire 11spd era) on their web page:

https://www.campagnolo.com/US/en/Support/download?td=5

[zmalwo]

that's the first gen campy 11s stuff

[oldpotatoe]

that's the first gen campy 11s stuff

Yup, 2009/10

[grateful]

Awesome, my new fangled, state of the art gruppo is from 2009. Damn.