I have a pair of track hubs with "Frejus" stamped on the center section. They have steel centers & alloy flanges. They came on my mid-50s Frejus. I suspect they were made by Gnutti.
Michael Shiffer
EuroMeccanica, Inc.
114 Pearl Street
Mount Vernon, NY 10550
(914) 668-1300
euromeccanicany.com