🚴‍♂️ Ride with Purpose

Every purchase from our shop supports Bicycles for Humanity Colorado – helping refurbish and donate bikes to communities in need.
 
🔧 Why Choose the Shimano Ultegra RD-6600 Rear Derailleur
The Shimano Ultegra RD-6600 rear derailleur is a high-performance road component engineered for smooth and precise shifting. Designed for 10-speed drivetrains, it delivers reliable gear changes and consistent chain control. Featuring a medium cage design, it provides added capacity for a wider gear range. This derailleur shows signs of use as visible in the pictures but remains fully functional and ready to install.
 
✅ Specifications
 
Brand: Shimano
Model: Ultegra RD-6600 Rear Derailleur
Speed: 10-Speed
Cage Length: Medium Cage
Category: Road
Condition: Used
 
🧰 Condition

Used condition. Pictures show signs of use. Fully functional and ready to install.
 
📦 Items Included
 
Shimano Ultegra RD-6600 Rear Derailleur