Shimano GRX RD-RX822-GS Rear Derailleur - 12-Speed Direct Mount Medium Cage Shadow Plus Design 45t Max Low MFPN=FD-R353F-BK microSHIFT Shimano-compatible 9-speed shifters feature

microSHIFT Shimano-compatible 9-speed shifters feature comfortable ergonomics easy installation crisp shifts and durability you can rely on

Includes an SPC+ adapter

simply styled crew neckline provides good coverage

For use with direct drive trainers with Type 2 axles

Shimano GRX RD-RX822-GS Rear Derailleur - 12-Speed Direct Mount Medium Cage Shadow Plus Design 45t Max Low MFPN=FD-R353F-BK microSHIFT Shimano-compatible 9-speed shifters featureWith 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 Rear Der Shifter Compatibility Shimano Road Rear Derailleur Mount Type 10x1 Standard Drivetrain Speeds 12 Weight 290 Chain Wrap Capacity (teeth) 35 Cage Length Medium Max