Roto spent the 1970s making a budget gear by copying a 10 year old Huret design (the Svelto) - so with the dawn of the 1980s they stepped up a gear - and made a budget gear by copying a 7 year old Huret design (the Challenger/Eco). As usual they applied their signature touches - brilliant chrome, stylish black highlights and an unmistakable feeling of cheapness.

I like the cubist styling and the ‘Scorpion’ name - many non-cyclists comment that derailleurs with hanger plates resemble scorpions in some way.

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• Derailleur brands: Roto
• Country: Italy
• Date of introduction: 1982?
• Date of this example: unknown
• Model no.: 9002?
• Weight: 229g including hanger plate
• Maximum cog: 26 teeth?
• Total capacity: 22 teeth?
• Pulley centre to centre: 43mm
• Index compatibility: friction
• Chain width: 3/32”
• Logic: top normal
• B pivot: unsprung
• P pivot: sprung
• Materials: steel

Ref. 19