Front derailleurs
Shimano Shimano GRX FD-RX400-F Front Derailleur
Mechanical 2×10 · braze-on
Compatibility: reviewed
Known specifications can be used by the compatibility engine.
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Evidence and freshness
Technical-source dates and retailer offer checks are separate. A retailer check does not validate compatibility.
Report a correction- Technical review
- Aug 6, 2026
- Compatibility review
- Reviewed Aug 6, 2026
Approved technical sources
- Shimano 2026 GRX component ordering catalogManufacturerSource checked Aug 6, 2026Evidence reviewed Aug 6, 2026
Technical data
Specifications
- Speeds
- 10-speed
- Supported speeds
- 10-speed
- Drivetrain family
- Shimano GRX mechanical 10-speed
- Compatible drivetrain families
- Shimano GRX mechanical 10-speed
- Compatible chain families
- Shimano HG-X 10-speed
- Front speeds
- 2x
- Shift actuation
- Mechanical
- Front derailleur mount
- Braze On
- Minimum outer chainring
- 46T
- Maximum outer chainring
- 46T
- Total capacity
- 16T
- Minimum chainstay angle
- 63°
- Maximum chainstay angle
- 66°
- Chainline
- 47 mm