Simplex
am Maulaffenfeilhalten
Ich habe hier ein Vorderrad mit Campagnolo Nabe gefunden.
Ist das eine Gran Sport?
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Die sieht etwas anders aus als die aus einem Gran Sport Laufradsatz:
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Gerade etwas dazu gelesen...
1952
The Gran Sport Extra rear derailleur is introduced (changed body, large chromed mounting bolt and pivot bolt, holes in pulleys, extended horn shape to the outside pulley cage frame and revised cable clamp) along with the Sport single pulley rear derailleur. The Gran Sport three-piece (steel barrel with aluminum flanges) hubs are now made by Campagnolo instead of F.B. (Fratelli Brivio), identifiable by curved flange ends instead of the previous flat flange ends that FB used. The Gran Sport down-tube shift levers are changed to single band clamp with flat-head screw friction adjusters, open cable without housing ("D" ring friction adjuster screw offered as option). A new forged dropout is introduced that measures 7mm thick with 3mm adjusting screw, a derailleur stop at 7 o'clock and a spring hole for mounting the Sport derailleur.
Fausto Coppi wins the 1952 Giro d'Italia and Tour de France using Gran Sport Extra derailleur.