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.

Specifications:

• Largest Cog: 51
• Rear Der/Shifter Compatibility: Shimano Road
• Rear Derailleur Mount Type: Shimano Rear Direct Mount
• Rear Derailleur Mount Type: 10x1 Standard
• Drivetrain Speeds: 12
• Weight: 288
• Chain Wrap Capacity (teeth): 41
• Cage Length: Long