Shimano GRX RD-RX827 SGS 12-speed Di2 Rear Derailleur
Wireless GRX RD-RX827 delivers Di2 precision and durability with impact protection and stable performance for serious gravel adventures.
- Fully wireless Di2 shifting
- Auto-reset after impact
- 10–51T cassette compatibility
- LED and internal battery
Overview
Shimano GRX RD-RX827 SGS 12-speed Di2 Rear Derailleur
The Shimano GRX Di2 RD-RX827 1x12-speed rear derailleur features the innovative SHIMANO SHADOW ES technology and comes in a single SGS long cage version. Built for rugged terrain and adventure riding, it ensures precise wireless shifting and exceptional durability.
The wedge-shaped low-profile design reduces snagging on rocks and debris, while the integrated chain stabilizer enhances chain retention. Automatic impact recovery resets the derailleur instantly after a hit, often without the rider even noticing.
Based on Shimano’s proven MTB Di2 technology, the GRX RX827 derailleur incorporates a removable onboard battery, a wide and solid linkage, and a skid-plate protected housing, making it perfect for gravel racers and adventurers alike.
- Fully wireless Di2 shifting for clean cockpit and fast response
- LED status indicator for quick feedback
- Chain tension enhanced via dual spring stabilizing unit
- Compatible with 10–51T SHIMANO 12-speed cassettes
Technical specifications:
- Use: Gravel, Cyclocross
- Group: GRX Di2 RX827
- Model: RD-RX827-SGS
- Mount: Direct attachment
- Gear range: 1x12-speed (10–51T)
- Chain compatibility: 12-speed HG
- Max sprocket: 51T / Min sprocket: 10T
- Cage type: SGS (long)
- Materials: Aluminum, Stainless steel, PA-GF
- Weight: approx. 449 g
Note: Battery BT-DN320 and Charger EC-DN100 are not included and must be purchased separately.
