Shimano Ultegra R8000 Shadow rear derailleur.
- Color: Black
- Largest Cog: 34
- Rear Derailleur Mount Type: Shimano Rear Direct Mount , 10×1 Standard
- Chain Wrap Capacity (teeth): 39
- Rear Der/Shifter Compatibility: Shimano Road
- Drivetrain Speeds: 11
- Weight: 210g