
Shimano's GRX RX825 Di2 12-speed rear derailleur features a built-in wireless connectivity unit and charging port, ensuring fast and reliable shifting for mixed-terrain riding and easy recharging. Integrated Shadow RD+ technology prevents chain slap and en
Shimano’s GRX RX825 Di2 12-speed rear derailleur features a built-in wireless connectivity unit and charging port, ensuring fast and reliable shifting for mixed-terrain riding and easy recharging. Integrated Shadow RD+ technology prevents chain slap and ensures precise shifting even on rough terrain. Thanks to built-in ON/OFF switch, wheel removal is easy too. The RD-RX825 is compatible with 11-34t and 11-36t 12-speed cassettes and supports Full or Semi-Synchronized shift modes, enhancing rider customization.
| Item Specifications | |
|---|---|
| Cage Length | Long |
| Chain Wrap Capacity (teeth) | 40 |
| Color | Black |
| Drivetrain Speeds | 12 |
| Largest Cog | 36 |
| Rear Der/Shifter Compatibility | Shimano Road Di2 |
| Rear Derailleur Mount Type | 10×1 Standard |
| Rear Derailleur Mount Type | Shimano Rear Direct Mount |
Shimano GRX RD-RX825 Di2 Rear Derailleur Rear Derailleur UPC: 192790310893
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