Shimano GRX RD-RX815 Di2 Features
The Shimano GRX 11-speed Di2 rear derailleur integrates electronic shifting with silent and uninterrupted rear operation on rough terrain. An adjustable Shimano Shadow RD+ clutch prevents chain slapping and drops.- The Shimano GRX 11-speed Di2 rear derailleur integrates electronic shifting with silent and uninterrupted rear operation on rough terrain. An adjustable Shimano Shadow RD+ clutch prevents chain slapping and drops.
- Operates with Shimano Di2 for digital electronic shifting
- Gravel-tuned clutch tension provides smooth and reliable mixed surface shifting
Product Specifications
Product Specifications
Cage Length |
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Chain Wrap Capacity (teeth) |
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Color |
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Drivetrain Speeds |
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Largest Cog |
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Rear Der/Shifter Compatibility |
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Rear Derailleur Mount Type |
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Weight |