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Rear Derailleur Shimano GRX Di2 RD-RX825 12s Black
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Shimano GRX Derailleur (DI2 Spec) RD-RX825 12-Speed Compatible With Direct Mount
The Shimano GRX Di2 12-speed derailleur features an integrated wireless connectivity unit and charging port, ensuring fast and reliable shifting for mixed terrain riding and easy recharging. The integrated Shadow RD+ technology prevents chain slap and guarantees precise shifting even on rough terrain.
Thanks to the built-in On/Off switch, removing the wheel is also easy. The RD-RX825 is compatible with 12-speed cassettes of 11-34T and 11-36T and supports Full or Semi-Synchronized shifting modes, enhancing rider customization.
Compact design with integrated wireless unit, charger, and switch
- Fast and reliable shifting on challenging terrain.
- Adjustable chain stabilizer prevents chain drops.
- Shimano Shadow RD+
- Clutch tension adjusted for gravel.
- On/Off stabilizer switch to adapt to terrain: On for gravel, Off for smooth roads. LED status indicator.
- Battery indicator, pairing, adjustment mode, etc.
- Largest sprocket: Max. 36T/Min. 34T
- Smallest sprocket: Max. 11T/Min. 11T
- Total capacity: 40T
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*Please note that, depending on component availability and other factors, specifications may be subject to change without prior notice.