About Ebykr
Ebykr celebrates classic and vintage lightweight bicycles through provoking imagery and opinion. Ride along with us.
About Ebykr
Ebykr celebrates classic and vintage lightweight bicycles through provoking imagery and opinion. Ride along with us.

Duralumin is not a bicycle marque in the usual sense. It is the trade name of an age-hardened aluminum alloy, developed in Germany and adopted across a cluster of French manufacturers who saw in it the same promise materials engineers…

Stronglight is one of the enduring names of French cycling componentry, though its own history folds together two separate companies that only later became one. The firm presently known as Stronglight traces its roots to a chainring maker called Haubtmann,…

Durable but lightweight materials have appealed to bicycle builders since the beginning of bicycle time. From steel alloys to aluminum alloys to carbon composites, the nexus of these two build qualities is something of a holy grail among materials engineers.…

Editor’s note (August 17, 2026): The account below dates the founding of Haubtmann to 1903, following what M. Perard relayed at the time. The published record does not support that year. André Vant’s study of the Saint-Étienne cycle industry, in…
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