The Shimano GRX Shadow Plus RDRX822 12-speed rear derailleur was developed for gravel use. The 2-speed gears and wide, graduated cassette support you on every climb. The integrated chain stabilizer for quieter shifting and safer chain management in rough terrain. The chain tensioner has an ON/OFF switch that makes wheel removal easier.

- Quiet and safe switching on changing surfaces
- mechanical rear derailleur for 2x12-speed setup on gravel bikes
- Flat design prevents snagging
- Compatibility: Shimano Road 12-speed
- max. largest sprocket: 36 teeth
- Min. largest sprocket: 34 teeth
- max. smallest sprocket: 11 teeth
- min. smallest sprocket: 11 teeth
- Mounting: direct mounting
- Version: 12-fold
- Weight according to the manufacturer: 270g

(Translated with Google Translate)