Shimano GRX Di2 (RD-RX827) 12s gravel rear road derailleur

The all-new GRX RX827 rear derailleur paired with a 10-51T cassette gives riders and racers the speed, range, and robustness to pursue any gravel challenge. With built-in automatic impact recovery, an impact-deflecting shape, and solid pulleys, this derailleur stands up to hard impacts and still retains its lightning-quick shifting performance.


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Fully wireless shifting built for rough gravel terrain

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Robust Design: A wide link structure, skid-plate design, durable aluminum plate and solid pulley add robustness and longevity.

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RD Protection Function: The new Automatic Impact Recovery function instantly returns the derailleur to its original position after impact.

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SHIMANO SHADOW ES: A slimmer, stronger evolution of SHIMANO's pioneering chain-stabilizing SHADOW RD+ concept.

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Protected Battery: Tucked safely inside an enclosed space, the battery won't budge even in rough terrain, while remaining easily removable for charging.

battery sold separatelly