Shimano GRX RX815 Di2 Shadow RD+ Direct rear derailleur

Experience unparalleled shifting precision on any terrain with the SHIMANO GRX RX815 Di2 rear derailleur. Engineered for gravel, its integrated SHADOW RD+ chain stabilizer eliminates chain slap and drops for a silent, secure ride. The Di2 electronic system delivers flawless, lightning-fast shifts every time. A convenient switch lets you toggle the gravel-tuned clutch for smooth roads or rough trails. This 11-speed derailleur supports cassettes up to 34T, giving you the range to conquer any climb with confidence