Shimano GRX FD-RX400 Front Derailleur – Precision Shifting for Gravel Adventures

Engineered for gravel riders who demand smooth gear transitions and enhanced tire clearance, the Shimano GRX FD-RX400 front derailleur delivers reliable performance on mixed terrain. Its innovative toggle-link construction ensures effortless shifting with a natural lever feel, reducing fatigue during long rides.

Key Features:

• Optimized Chainline: +2.5mm clearance for compatibility with wider tires (up to 42mm), ideal for loose gravel or rough trails.
• Versatile Cable Routing: Toggle design accommodates multiple cable setups, simplifying installation for custom builds.
• Integrated Tension Adjustment: Fine-tune shifting precision on the go without tools.
• Gravel-Specific Ergonomics: Power curve design matches the demands of off-road riding, offering crisp shifts under load.

Compatibility & Specs:

• Shifters: Pairs seamlessly with ST-RX400, ST-RS405, and select 10-speed Shimano road levers.
• Drivetrain: 10-speed double-chainring setups (max 46T chainring).
• Mount Type: Braze-on topswing design for stable performance.

Why Choose GRX FD-RX400?

Unlike standard road derailleurs, the GRX series prioritizes gravel-specific needs—extra mud clearance, reduced chain drops, and smoother shifts on uneven surfaces. Perfect for bikepacking, all-road cycling, or endurance events where reliability matters.

Upgrade your gravel bike with a derailleur built to handle adventure.