Shimano GRX RD-RX812 11-Speed Rear Derailleur

The GRX groupset is designed for rough offroad/gravel riding. The RX812 series derailleur is a high performance mechanical derailleur that provides powerful and precise shifting in a variety of conditions. Designed for wide gear range setups this derailleur can accept up to a 42T cassette.

• Adjustable chain stabilizer prevents chain slapping and drops
• Gravel-tuned clutch tension can be toggled ON/OFF to match the terrain
• Top sprocket: 11T