Shimano GRX RD-RX820 Rear Derailleur - 12-Speed Direct Mount One Spec Shadow Plus Design 36t Max Low color-green Improved aerodynamics for time trial

Improved aerodynamics for time trial and triathlon

Misc 6 Pieces

46 BB/Frame Interface 386 EVO BB Shell Width (mm) 86 Weight   Spindle Interface Type FSA MegaExo 19 Defined Color Black

2 Cable Head Shimano/SRAM keyword search Replaces CA2750 Cable Type Coated

}Wolf Tooth Direct Mount Chainring - 34t SRAM Direct Mount Drop-Stop B For BB30 Short Spindle Cranksets 0mm Offset Black

Shimano GRX RD-RX820 Rear Derailleur - 12-Speed Direct Mount One Spec Shadow Plus Design 36t Max Low color-green Improved aerodynamics for time trialThe 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 tensioner has an ON OFF switch for outings on smooth surfaces. Silent and secure rear shifting on rough