BuildMyMTB › Parts › Gravel bike › Rear Derailleur › Shimano
Shimano Rear Derailleur
6 models, 10 verified variants. Only rows checked against Shimano’s own page are listed; each links into the Gravel bike builder.
- Shimano GRX RD-RX400-GS (1 verified variant)
Drivetrain system shimano-grx-10 · 10-speed (rear index count the maker rates it for) · Actuation mechanical · Largest cog 34 teeth - Shimano GRX RD-RX717-SGS (1 verified variant)
Drivetrain system shimano-grx-12 · 12-speed (rear index count the maker rates it for) · Actuation di2-wired · Largest cog 51 teeth - Shimano GRX RD-RX810 (2 verified variants)
Drivetrain system shimano-grx-11 · 11-speed (rear index count the maker rates it for) · Actuation mechanical · Mount std-hanger - Shimano GRX RD-RX815 (2 verified variants)
Drivetrain system shimano-grx-11 · 11-speed (rear index count the maker rates it for) · Actuation di2-wired · Cage: gs - Shimano GRX RD-RX822-SGS (2 verified variants)
Drivetrain system shimano-grx-12 · 12-speed (rear index count the maker rates it for) · Actuation mechanical · Mount std-hanger - Shimano GRX RD-RX825 (2 verified variants)
Drivetrain system shimano-grx-12 · 12-speed (rear index count the maker rates it for) · Actuation di2-wired · Cage: sgs
The checker compares the dimensions listed in what we check, and what we don’t. “No conflicts found” means no conflict among those dimensions — not a guarantee that a build works. Errors mean it won’t fit; warnings mean it works but check; infos are notes.