Campagnolo RD-SR109: restore factory-grade precision to your derailleur.

The Campagnolo RD-SR109 original replacement kit is the essential maintenance component for 11-speed rear derailleurs across the Super Record, Record, and Chorus ranges. It effectively eliminates accumulated mechanical play, restores correct cable tension, and brings shifting performance back to factory-grade smoothness and precision. Browse all available spare parts in our Campagnolo Spare Parts section and pair it with a compatible Rear Derailleur if needed.

• Compatible with 11s Super Record, Record, Chorus rear derailleurs
• Eliminates mechanical play and restores cable tension
• Original Campagnolo component