• Derailleur brands: Shimano
• Categories: Shimano - Nexave, the way the future used to look
• Country: Japan
• Date of introduction: 2004
• Date of this example: 2009 (the two letter date code is HC)
• Model no.: C531
• Weight: 341g
• Maximum cog: 33 teeth (Source: Shimano)
• Total capacity: 22 teeth (Source: Shimano)
• Pulley centre to centre: 58mm
• Index compatibility: 8 speed
• Chain width: 3/32”
• Logic: low normal
• B pivot: sprung
• P pivot: sprung
• Materials: largely aluminium with a steel pulley cage and inner parallelogram plate

Ref. 1484