Shimano GRX RX827 Wireless Di2 Rear Derailleur
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Shimano GRX RX827 Wireless Di2 Rear Derailleur Info
The Shimano GRX RX827 Wireless Di2 Rear Derailleur is built for high-speed gravel racing and demanding terrain. It offers a wide 10-51T range and fully wireless electronic shifting. Its robust construction includes a wide-link design, durable aluminum outer plate, and solid pulleys for long-term reliability. An integrated skid plate and Shimano’s new Automatic Impact Recovery function help the derailleur deflect hits and return instantly to position without compromising performance. The Shimano Shadow ES profile keeps the derailleur slim and stable, while the enclosed, removable battery remains secure even in rough conditions.