Shimano GRX Di2 RD-RX825
The Shimano GRX Di2 RD-RX825 is a 12-speed electronic rear derailleur with wireless connectivity, integrated charging port, and SHADOW RD+ technology for gravel terrain. It supports 11-34T and 11-36T cassettes with Full or Semi-Synchronized shifting modes.
- SHIMANO's GRX 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.
- Compact design with integrated wireless unit, charging port, and switch
- Fast and reliable shifting on rough terrain
- Adjustable chain stabilizer prevents chain slap
- Gravel-tuned clutch tension
- Switch stabilizer ON/OFF to match terrain: ON for gravel, OFF for smooth roads
Pairs well with
Shimano GRX Di2 RD-RX825
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