Shimano GRX RD-RX827 Di2 12-speed Rear Derailleur – Long Cage SGS for Gravel
The Shimano GRX RD-RX827 Di2 12-speed rear derailleur, with long cage SGS, is designed to offer performance, reliability, and durability on any gravel route, whether in racing or recreational rides. Paired with a 10-51T cassette, it ensures smooth and precise gear shifts, even on the roughest terrains.
Thanks to the Automatic Impact Recovery (RD Protection) technology, the derailleur automatically returns to the correct position after impacts or vibrations, while the robust structure with durable pulleys and high-impact absorption shape ensures maximum durability and instant shifts in any condition.
Main Features
Derailleur type: Full-wireless rear derailleur for gravel on rough terrain
Robust design: Wide link structure, aluminum sliding plate, and solid pulleys for strength and long life
RD Protection function: Automatic Impact Recovery returns the derailleur to the original position after impacts
Shimano SHADOW ES: Slim and robust version of SHADOW RD+, improved chain stabilization
Protected battery: Integrated in a closed space, easily removable for charging and stable even on rough terrain
Technical Specifications
Package type: Single package
Mount type: Direct mount (SHADOW+)
Pulley cage: SGS (long cage)
Speed: 12
Compatible cassette: 10-51T