• Derailleur brands: Campagnolo
• Categories: Campagnolo - the good stuff
• Themes: Ultra-lightweight - road racing models
• Country: Italy
• Date of introduction: 2018
• Date of this example: unknown
• Model no.: RD18-SR1
• Weight: 167g
• Maximum cog: 29 teeth (Campagnolo Technical Manual)
• Total capacity: 34 teeth (Campagnolo Technical Manual)
• Pulley centre to centre: 55mm
• Index compatibility: 11 speed
• Chain width: 3/32
• Logic: top normal
• B pivot: sprung
• P pivot: sprung
• Materials: largely carbon fibre reinforced composite, with aluminium inner parallelogram plate and inner pulley cage plate and titanium small parts

Ref. 1426