Shimano GRX RD-RX812 11-Fach Schaltwerk

Selling Shimano GRX RD-RX812 rear derailleur in very good condition. Being sold due to conversion to 12-speed.

Use this rear derailleur if you are running an 11-40 or 11-42 cassette.

Features:
- adjustable chain stabilization prevents the chain from jumping out
- stabilizer with on/off switch to adapt to the terrain
- tension adapted to gravel
- silent and continuous rear gear shifting on uneven terrain
- smooth and reliable gear shifting with changing ground conditions
- Painted guide plates
- Guide roller and tension roller bearings
- 4 joint bushes, fluorine-coated