Joined: Jan 2010
Posts: 9,806
Likes: 1,774
From: Northern California
Bikes: Cheltenham-Pedersen racer, Boulder F/S Paris-Roubaix, Varsity racer, '52 Christophe, '62 Continental, '92 Merckx, '75 Limongi, '76 Presto, '72 Gitane SC, '71 Schwinn SS, etc.
This all seems to raise the question as to what the cups for this setup look like.
I imagine the bearings sit deep in the cups, and that the cups could be Italian-threaded.
But somehow I'm having trouble imagining a normal-sized fixed-cup flange with wrench flats.