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The Shimano GRX 11-speed rear derailleur has an integrated chain stabilizer mechanism, that provides a quieter experience, shifting security and precision on mixed terrain. For rides on smooth surfaces, the derailleur features an ON/OFF switch for the chai
The Shimano GRX 11-speed rear derailleur has an integrated chain stabilizer mechanism, that provides a quieter experience, shifting security and precision on mixed terrain. For rides on smooth surfaces, the derailleur features an ON/OFF switch for the chain tensioner. The Shimano Shadow RD+ adjustable chain stabilizer provides silent and uninterrupted rear shifting on rough terrain.
| Item Specifications | |
|---|---|
| Cage Length | Long |
| Chain Wrap Capacity (teeth) | 31 |
| Color | Black |
| Drivetrain Speeds | 11 |
| Largest Cog | 42 |
| Rear Der/Shifter Compatibility | Shimano Road |
| Rear Derailleur Mount Type | 10×1 Standard |
| Rear Derailleur Mount Type | Shimano Rear Direct Mount |
| Weight | 267 |
Shimano GRX RD-RX810/RX812 11-Speed Rear Derailleurs Rear Derailleur UPC: 192790448886
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