Originally Posted by
pressed001...This looks like a sealed system, so perhaps the seller simply misunderstands what he has and the item is infact original. This is a cup-cone dura ace AX bottom bracket.
Originally Posted by
Mr IGH
That's not a sealed BB, it's standard old school cup/cone BB with a plastic accordion sleeve that protects the bearings from debris dropping down the seat tube. That's a later BB/sleeve, the ones that came with ~1982 were translucent white plastic without any label.
He did state that it was a cup and cone bottom bracket.
Cheers