Shimano GRX RD-RX822-SGS Rear Derailleur - 12-Speed, Direct Mount, Long Cage, Shadow Plus Design, 51t Max Low

With an integrated chain stabilizer, Shimano GRX RD-RX822 12-speed rear derailleurs feature an intergrated chain stablizer that delivers quieter shifting and more secure chain management in rough terrain. The chain tensioner has an ON/OFF switch for easy wheel removal. Shimano RD-RX822-SGS rear derailleur with long cage is compatible with 10-51t, 12-speed Shimano MTB cassettes, meaning you ll never run out of gears even on the steepest jeep road or high mountain singletrack ascent Interchangeable, replaceable GS/SGS derailleur cage Shadow RD+ design, combined with the adjustable chain stablilizer, prevents chain slap and drops ON/OFF stabilizer switch matches terrain for smooth and reliable shifting on mixed surfaces Compatible with HG 12-Speed Chains Item Specifications Cage Length Long Chain Wrap Capacity (teeth) 41 Drivetrain Speeds 12 Largest Cog 51 Rear Der/Shifter Compatibility Shimano Road Rear Derailleur Mount Type 10x1 Standard Rear Derailleur Mount Type Shimano