Shimano GRX RD-RX822-GS Rear Derailleur - 12-Speed, Direct Mount, Medium Cage, Shadow Plus Design, 45t Max Low Lights HT6146 31989

HT6146 31989

UPC: 895428019440

PA3017 590185

Multi-fit QR bar/post mount

two for air piston

Shimano GRX RD-RX822-GS Rear Derailleur - 12-Speed, Direct Mount, Medium Cage, Shadow Plus Design, 45t Max Low Lights HT6146 31989With 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. Product Specifics Largest Cog: 45 Rear Der Shifter Compatibility: Shimano Road Rear Derailleur Mount Type: Shimano Rear Direct Mount Rear Derailleur Mount Type: 10x1 Standard Drivetrain