The Altenburger/GB/Magistroni Road Ensemble

[juvela]

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for a short period in the years immediately following the second world war the component manufacturers Altenburger, GB and Magistroni (Officine Mecchaniche Giostra) joined forces to offer a road ensemble

do not know specific start/stop years for this effort

GB, for example, was the U.K. agent for Altenburger derailleurs for some period

have never seen an advert or brochure presenting this tripartite offering

it must have been shown at trade shows of the time and likely advertised in cycling publications

does anyone have any information on it?

thank you


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[Canuk]

The GB Altenburger rear derailleur seems to have been a flop: mounted under the chainstay it looked pretty precarious. Here's the blurb on it:

In 1950, Karl Altenburger bought the patent for the horizontally pivoting rear derailleur from Nieddu, Mariani, and Blaser. ... Heinz Muller, a famous German bicycle racer, was also a skilled toolmaker, and he revised the first model to incorporate a horizontal parallelogram It was sold in the UK as the GB Altenburger.’

 

[Old Ned]

Here's an ad from Sporting Cyclist -