Shimano GRX RD-RX817 Rear Derailleur - 11-Speed, Long Cage, Black, With Clutch, Di2, For 1x
$334.99
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GRX RD-RX815 Di2 Rear Derailleur For 1x drivetrains Operates with Shimano Di2 for digital electronic shifting Gravel-tuned clutch tension provides smooth and reliable mixed surface shifting Item Specifications Cage Length Long Chain Wrap Capacity (teeth) 31 Color Black Drivetrain Speeds 11 Largest Cog 42 Rear Der/Shifter Compatibility Shimano Road Di2 Rear Derailleur Mount Type Shimano Rear Direct Mount Weight 318 Shimano GRX RD-RX815 Di2 Rear Derailleur UPC: 192790443171
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