Front derailleur Shimano GRX DI2 FD-RX815 2x11s

Shimano GRX DI2 FD-RX815 2x11-speed front derailleur – precision and reliability for your Gravel bike

Specially designed for gravel enthusiasts, the Shimano GRX DI2 FD-RX815 represents the pinnacle of electronic drivetrain technology. Part of Shimano’s dedicated GRX gravel series, this 2x11-speed front derailleur delivers powerful, smooth, and quiet shifting performance, even on the roughest terrain.

Technical specifications:

• Model: Shimano GRX DI2 FD-RX815

• Type: Electronic front derailleur

• Compatibility: 2x11-speed drivetrain

• Chainline: 46 – 50 mm (ideal for wider gravel tires)

• Total capacity: 17 teeth

• Mount type: Clamp or direct mount (depending on frame)

• Weight: Approx. 131 g

• Chainring compatibility: Up to 46-31T

• Di2 Technology: Electronic shifting for instant and precise gear changes

• Material: Lightweight, durable aluminum with anodized finish

Key Features of the Shimano GRX DI2 front derailleur:

Engineered for versatility, the FD-RX815 ensures fast and reliable chainring shifts, even under load. Its gravel-specific design provides extra clearance for larger tires, ensuring smooth operation on any surface.

Thanks to Di2 electronic shifting, mechanical cables are replaced by electronic signals — delivering:

• Perfectly consistent shifts,

• No cable friction or adjustment hassles,

• Instant response in all riding conditions.

Advantages:

• Fast, silent, and accurate chainring changes — ideal for mixed terrain and steep climbs.

• Outstanding durability, crafted from premium Shimano materials.

• Fully compatible with Shimano GRX Di2 2x11-speed groupsets (ST-RX815, RD-RX815, etc.).

• Optimized ergonomics for endurance, bikepacking, and gravel racing.

Perfect for:

Riders who demand a reliable, high-performance electronic drivetrain for their gravel bike — whether for long-distance adventures or competitive mixed-surface riding.

In summary, the Shimano GRX DI2 FD-RX815 is more than just a front derailleur — it’s the beating heart of a modern gravel drivetrain. Every shift is precise, clean, and instantaneous, letting you focus on what truly matters: the joy of the ride.