Shimano GRX FD-RX400-F 2×10 Speed Braze-On Front Derailleur 46t Max Chainring. GRX FD-RX400 Front Derailleur
An ergonomic power curve and link (toggle) construction help to provide a natural stroke feeling when shifting
An additional 2.5mm is added to the chainline to provide more room for wider tires
Compatible only with ST-RX400 ST-RS405 SL-4700 ST-4720 and ST-4725 shift levers
Compatible with up to 42mm tires
Link (toggle) construction allows for more cable routing options
Integrated cable tension adjustment
16t 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 |
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