Shimano FD-RX810 GRX Front Derailleur

The Shimano FD-RX810 GRX Front Derailleur is part of Shimano’s GRX gravel groupset, designed specifically for mixed-surface riding and improved drivetrain stability on rough terrain. It is optimized for 11-speed road and gravel systems and is intended for use with 48–31T double chainring setups.

GRX components feature a wider chainline than traditional road systems, improving tire and frame clearance while enhancing chain stability on uneven terrain. The FD-RX810 uses Shimano’s Side Swing design, which re-routes derailleur actuation to improve shifting efficiency, reduce required effort, and deliver more direct chain movement when shifting between chainrings.

The derailleur is typically offered in a braze-on mount design, with clamp-style compatibility available via adapters depending on frame configuration.

Key Features

• GRX Gravel-Specific Design – Optimized for 11-speed mixed-terrain drivetrain performance
• 48–31T Chainring Compatibility – Supports wide-range double setups for climbing and endurance riding
• Side Swing Actuation System – Improves shifting efficiency and control through revised cable pull geometry