Shimano Ultegra RD-R8000-SS Rear Derailleur – 11 Speed Short Cage Black

Shimano Ultegra RD-R8000 Rear Derailleur Largest Cog 30 Color Black Rear Der/Shifter Compatibility Shimano Road Rear Derailleur Mount Type 10x1 Standard Drivetrain Speeds 11 Weight 200 Chain Wrap Capacity (teeth) 35 Cage Length Short