With its built-in wireless connectivity unit and charging port, the Shimano GRX RX825 Di2 12-speed rear derailleur ensures fast and reliable shifting for mixed-terrain riding and easy recharging.
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- Compatible with 11-34T and 11-36T 12-speed cassettes and supports Full or Semi-Synchronized shift modes, enhancing rider customization
- Thanks to built-in on/off switch, wheel removal is easy
- Compact design with integrated wireless unit, charging port and switch
- Integrated SHADOW RD+ technology prevents chain slap and ensures precise shifting even on rough terrain
- Gravel-tuned clutch tension; switch stabilizer on/off to match terrain: on for gravel, off for smooth roads
- LED status indicator for battery indicator, pairing, adjust mode, etc.
- Top sprocket: max. 11T/min. 11T
- Low sprocket: max. 36T/min. 34T
- Total capacity: 40T
Imported.
View the Shimano Di2 Product LineView all Shimano Rear Derailleurs| Best Use | Gravel Cycling |
|---|---|
| Derailleur Type | Rear |
| Cage Length | Medium / Long Cage |
| Max Rear Cog Size | 36T |
| Speeds | 12-speed |
| Weight | 310 grams |