Shimano Ultegra R8000 Shadow rear derailleur.

- Sleek integrated appearance
- Low-profile design
- Race endurance
- Optimized slant angle
- Wide compatibility
- Short cage covers: 11-25T to 11-30T
- Medium cage covers: 11-28T to 11-34T
- Model Number: RD-R8000
- Series: Ultegra
- Maximum Sprocket: 30T
- Minimum Sprocket: 11T
- Maximum Front Difference: 16T
- Average Weight: 200 grams (short cage type), 210 grams (medium cage type)