renak was the biggest hub manufactor in the GDR and produced near Karl-Marx Stadt.
diamant frames where build in in Karl-Marx Stadt now Chemnitz.
They where build in the same special purpose machinery manufacture like textima sprint frames.(Michael Hübner rode textima in the 1990's sprint finals)
the race frames didn't come from the normal factory.
renak was the biggest hub manufactor in the GDR and produced near Karl-Marx Stadt.
diamant frames where build in in Karl-Marx Stadt now Chemnitz.
They where build in the same special purpose machinery manufacture like textima sprint frames.(Michael Hübner rode textima in the 1990's sprint finals)
the race frames didn't come from the normal factory.