Shimano Ultegra RD-R8000 Rear Derailleur Product Specifics Rear Derailleur Mount Type: Shimano Rear Direct Mount Rear Derailleur Mount Type: 10x1 Standard Rear Der/Shifter Compatibility: Shimano Road Cage Length: Medium Drivetrain Speeds: 11 Weight: 210 Color: Black Chain Wrap Capacity (teeth): 39 Largest Cog: 34 .
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