Shimano GRX RD-RX822-GS 1x12-Speed Rear Derailleur / 45t

SHIMANO GRX RX822-GS Rear Derailleur - SHIMANO SHADOW RD+ 12-speed

Enhanced chain security and quieter shifting for gravel riding.

With its integrated chain stabilizer, the SHIMANO GRX rear derailleur delivers quieter shifting, better ground clearance and more secure chain management in rough terrain. The RD-RX822-GS is compatible with 10-45T, 12-speed SHIMANO MTB cassettes, meaning you’ll never run out of gears even on the steepest jeep road or high mountain singletrack ascent. The chain tensioner has an ON/OFF switch for easy wheel removal.

• Silent and secure rear shifting on rough terrain
• Adjustable chain stabilizer prevents chain slap and drops
• SHIMANO SHADOW RD+
• Smooth and reliable shifting on mixed surfaces
• ON/OFF stabilizer switch matches terrain