This is a fairly faithful copy of the 1949 Huret Competition, in this case with an hub axle fitting that is not for racing - and so may be for use with a hub gear. The dimensions are moderately ‘touring’, with the pivot about 80mm from the hub axle centre.

The Huret Competition (with only one pivot) was the strongest pull chain derailleur of its time and this is a strong well made copy.

I like the way that the coloured transfer logo has been applied over the top of the stamped logo. Branding may not have counted for too much in the DDR.

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1. •Brand: Renak
   

2. •Country: Germany (DDR at the time)
   

3. •Date of introduction: 1955?
   

4. •Date of this example: unknown
   

5. •Model no: unknown
   

6. •Weight: 232g including an integral hanger plate, but excluding a small piece of the inner pulley cage - which has broken off this example
   

7. •Maximum cog: 24 teeth?
   

8. •Total capacity: 22 teeth?
   

9. •Pulley centre to centre: 45mm
   

10. •Index compatibility: friction
    

11. •Chain width: 1/8” and 3/32”?
    

12. •Logic: low normal
    

13. •Pivots: one sprung pivot
    

14. •Material: steel
    

0276/J