On Jun 27, 2007, at 9:09 AM, Raffaele Giordano wrote:
> Hello guys,
>
> thank you for the wonderful pictures of the Cirque, it looked amazing.
> I have a bit of a dilemma, is there a way to distinguish an early
> Simplex Tdf from a 3 speed to 4 speed without mounting it? I have a
> few sets of these derailleurs, as carefully as I dug around the web,
> the only source I have found to date them is from
> http://www.classiclightweights.co.uk/
> they are early 50s. Any tips would be gratefully appreciated, if
> anyone has a copy of the original instruction sheet that would be
> amazingly helpful.
>
> Kind regards,
>
> Raffaele
> Stockholm, Sweden
Raffaele, I believe the single pulley Simplex Champ du Monde was the 3 speed derailleur. The Simplex Tour de France was for four or five speed (4 or 5 accomplished by adjusting the derailleur).
Chuck Schmidt
South Pasadena, CA USA
http://www.velo-retro.com (reprints, t-shirts & timelines)