The design of the Romet Tornado combines the geometry of a Shimano Skylark with the quirky use of plastics that was popular in Eastern Europe (see the Juka (2nd style) and Favorit Special).

The branding consists of ‘Tornado’ on the plastic insert on the outer parallelogram plate, ‘Romet’ and ‘Poland’ around the Allen bolt on the front knuckle and ‘Romet PT-50’ on the outer pulley cage plate.

The pulleys wheels on this example are Shimano items that have been cut down by hand - very strange - as they still have 10 teeth.

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1. •Brand: Romet
   

2. •Country: Poland
   

3. •Date of introduction: 1985?
   

4. •Date of this example: unknown
   

5. •Model no: unknown
   

6. •Weight: 249g including hanger plate
   

7. •Maximum cog: 28 teeth?
   

8. •Total capacity: 28 teeth?
   

9. •Pulley centre to centre: 54mm
   

10. •Index compatibility: unknown
    

11. •Chain width: 3/32”
    

12. •Logic: top normal
    

13. •Pivots:  two sprung pivots
    

14. •Material: plastic knuckles and outer pulley cage plate, steel inner pulley cage plate and inner parallelogram plate and aluminium outer parallelogram plate.
    

0139/D