Shimano GRX RD-RX820 Rear Derailleur - 12-Speed Direct Mount One Spec Shadow Plus Design 36t Max Low color-green Model 2019 36 Grip Description

Model 2019 36 Grip Description Bottom Stud Interface Parts

4 Rim Width (Internal) 28 Tire Type Tubeless Ready Valve Presta Valve Length Short 32-40mm Weight 481 Wheel Size 29"

} Rear Shock Bearing Adapter Upgrade Kit - 8X30 23mm OD (Convert Standard DU Bushings To Bearings On 8X30 Frames) Uses 22mm Wrench - Deluxe

Length 240Rail Material ChromolySaddle Cut Out NoMaterial SyntheticClamp Style Std RailsGender/Age UnisexColor BlackWeight 257Width 157Defined Color Black

Weight 90 Mount | Rotor Size Rear IS | 203 Rotor

Shimano GRX RD-RX820 Rear Derailleur - 12-Speed Direct Mount One Spec Shadow Plus Design 36t Max Low color-green Model 2019 36 Grip DescriptionThe 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