GRX FD-RX400 Front Derailleur
An ergonomic power curve and link (toggle) construction help to provide a natural stroke feeling when shiftingAn additional 2.5mm is added to the chainline to provide more room for wider tiresCompatible only with ST-RX400 ST-RS405 SL-4700 ST-4720 and ST-4725 shift leversCompatible with up to 42mm tiresLink (toggle) construction allows for more cable routing optionsIntegrated cable tension adjustment16t total capacity
| Double or Triple |
Double |
| Drivetrain Speeds |
10 |
| Derailleur Capacity |
16 |
| Front Derailleur Clamp |
Braze-on |
| Front Derailleur Cable Pull |
Bottom Pull |
| Front Der/Shifter Compatibility |
Shimano Road |
| Max Ring (teeth) |
46 |
| Front Derailleur Style |
Topswing |