Shimano GRX RD-RX812 11-speed Rear Derailleur

With the GRX RD-RX812 rear derailleur by Shimano you can shift reliably off-road

With the Shimano GRX RD-RX812 rear derailleur you can shift smoothly and quietly on rough terrain. An adjustable chain stabilizer and the Shimano Shadow RD+ technology counteract chain slapping and dropping. Use this rear derailleur when riding an 11-40 or 11-42 cassette.

Features:

• adjustable chain stabilization prevents chain drops
• stabilizer with on/off switch to adapt to the terrain
• tension adapted to gravel
• silent and continuous rear derailleur on uneven terrain
• smooth and reliable shifting on mixed terrain
• painted cage plates
• derailleur pulley bearings
• 4 pivot bushings, fluorine-coated