Aldo Ross wrote:
> According to the pictures, the final year for wing nuts in the Tour
> de France was 1954. Does this coincide with the introduction of
> Simplex's own quick release hubsets?
Not exactly... there are these Italian Simplex TIPO COMPETITION hubs made by F.B. for Simplex that are dated 1950 and even have the frankenstein bolts: <http://homepage3.nifty.com/ClassicBicycles/brands/components/ celeste2000/ItalianSimplexhub1.jpg> <http://homepage3.nifty.com/ClassicBicycles/brands/components/ celeste2000/ItalianSimplexhub2.jpg> <http://homepage3.nifty.com/ClassicBicycles/brands/components/ celeste2000/ItalianSimplexhub3.jpg>
Simplex COMPETITION quick releases that are dated 1950: <http://homepage3.nifty.com/ClassicBicycles/brands/components/ SimplexCompeQR.jpg> <http://homepage3.nifty.com/ClassicBicycles/brands/components/ SimplexCompeQRlever.jpg> <http://homepage3.nifty.com/ClassicBicycles/brands/components/ SimplexCompeQRnut.jpg>
FB-Simplex M.B. 552 S/F hub with Quick Release Mechanism (White adjuster) 1959: <http://homepage3.nifty.com/ClassicBicycles/brands/components/ SimplexMB552.jpg>
Simplex Ref. B640 Quick Release Mechanism (Black caps) 1960: <http://homepage3.nifty.com/ClassicBicycles/brands/components/ celeste2000/SimplexRefBR640.jpg>
All the above pictures are from the Satoru Mas, Classic Bicycles web
site with the "Virtual Museum" Parts Brands:
http://welcome.to/
Chuck Schmidt
South Pasadena, CA USA
http://www.velo-retro.com (reprints, t-shirts & timelines)