New Arrival
GRX RD-RX825 12sp Di2 Rear Derailleur
$594.99
The Shimano GRX RD-RX825 Di2 Rear Derailleur provides fast, reliable 12-speed shifting across varied terrain. It features a compact design with an integrated wireless unit, charging port, and switch for streamlined operation. This derailleur is built for gravel use, ensuring consistent performance for serious cyclists.
An adjustable chain stabilizer and SHIMANO SHADOW RD+ technology prevent chain slap, enhancing stability. The gravel-tuned clutch tension can be switched ON for rough terrain or OFF for smoother roads. An LED status indicator provides quick visual feedback on battery life and system status.
Quick Facts
| Feature | Specification |
|---|---|
| Drivetrain Speeds | 12-Speed |
| Max Low Sprocket | 36T |
| Total Capacity | 40T |
| Compatibility | Shimano Road Di2 12-speed systems; 11-34T to 11-36T cassettes |
| Mount Type | Direct Attachment |
| Claimed Weight | 310g |
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