Brand Directory
Display Name:SankoCountry:Japan
Years of Operation:1945 - 1966Primary Focus:Drivetrain Components
General Information
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Sanko was founded by Mr. Kuno Nobutoshi, I think shortly after 1945. It was based in Tokyo. The first derailleur, produced in 1947, was a double cable type. I believe this was the first derailleur produced in Japan.

In 1951, I believe that Sanko produced a single cable pull-chain derailleur, derivative of a Simplex design, with two sprung pivots. A series of other designs followed throughout the 1950’s, including the F-1 and F-2, which appear to be derivative of Cyclo designs, with a sprung pivot and an unsprung pivot.

In 1963 Sanko produced their first parallelogram derailleur the PA, and true to form, it was a quality item and was used by the Japanese national cycling team at the Tokyo Olympics. They did also produce a budget derailleur, the PF, which was a ‘flat plate’ design a bit like a Huret Svelto or Shimano Pecker.

In 1965 Sanko launched the Procyon PV-I, an aluminium deraileur that was arguably the most advanced derailleur in the world at the time. The legend is that the cost of developing the Procyon derailleurs bankrupted the company and it disappeared shortly after producing the Procyon PV-III in 1966.

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Recent Added / Updated Components
Component NameCategoryAdded / Updated
SankoSingle Sprockets06/17/2020
Sanko Sanko HubHubs06/17/2020
Sanko PARear Derailleurs05/09/2020
Sanko PFRear Derailleurs03/05/2018
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