Shimano GRX Di2 2x12v Rear Derailleur

Shimano GRX Di2 2x12v Rear Derailleur

RD-RX825

The SHIMANO GRX Di2 12-speed rear derailleur features an integrated wireless connectivity unit and a charging port, ensuring fast and reliable shifting on mixed terrain and easy charging. Integrated SHADOW RD+ technology prevents chain slap and guarantees precise shifting, even on rough terrain. The integrated ON/OFF switch makes wheel removal easy. The RD-RX825 is compatible with 11-34T and 11-36T 12-speed cassettes and supports synchronized or semi-synchronized shifting modes, further enhancing rider customization options.