Brand: Shimano
Model: GRX RD-RX820
Year: 2024
Discipline:: Ciclocross / Gravel
Shifting system: 12S
Max thoot size: 51
Url: Here
Info created & shared by: Lightbiker
Source: https://bikerumor.com/actual-weights-shimano-grx-rx820-1-x-12-speed-drivetrain/