So, in this sorry state I bought it - for € 20,00. Don't ask why.
And I came across this thread:
http://www.retrobike.co.uk/forum/viewtopic.php?t=65904
and had a small chat with Senri (thanks BTW!)
At first glance: not much ridden, the complete group (Exage 300LX, including the hubs)...