Shimano GRX RD-RX822-GS Rear Derailleur - 12-Speed, Direct Mount

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.

Largest Cog	45, 51
Rear Der/Shifter Compatibility	Shimano Road
Rear Derailleur Mount Type	10x1 Standard
Drivetrain Speeds	12
Weight	288, 290
Chain Wrap Capacity (teeth)	35, 41
Cage Length	Long, Medium