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Ships within 48 hours · Estimated delivery Aug 5 - Aug 10
Spring Weight 550
6 350mm 25mm Offset Black 2020 Model
The derailleur is smart enough to protect itself thanks to its incredibly resilient Overload Clutch
Chainline/Hub Compatibility 135/142 MTB Hubs Chainline/Hub Compatibility 141/148 Boost Hubs Color Black/Silver Defined Color Black Defined Color Silver Direct Mount Type Direct Mount SRAM Drivetrain Speeds 12 Material Aluminum Offset 3 Ring Position/Type Chain Retaining Single Ring Round or Oval Round Tooth Count 38
Shimano GRX RD-RX820 Rear Derailleur - 12-Speed Direct Mount One Spec Shadow Plus Design 36t Max Low MPFN-18976-06 Spring Weight 550Shimano GRX RD RX820 Rear Derailleur 12 Speed Direct Mount One Spec Shadow Plus Design 36t Max Low. The Shimano RD RX820 rear derailleur is compatible with 11 34t and 11 36t 12 speed cassettes providing a wide gear range so you can spin a comfortable cadence no matter the terrain type. This rear derailleur also features an integrated chain stabilizer that delivers quieter shifting and more secure chain management during rough rides. The chain
