• Derailleur brands: Stratec
• Themes: Ultra-lightweight - road racing models
• Country: France
• Date of introduction: 1993?
• Date of this example: unknown
• Model no.: RT005
• Weight: 171g
• Maximum cog: 28 teeth?
• Total capacity: 28 teeth?
• Pulley centre to centre: 55mm
• Index compatibility: unknown
• Chain width: 3/32”
• Logic: top normal
• B pivot: unsprung
• P pivot: sprung
• Materials: largely plastic with a steel inner parallelogram plate

Ref. 531