Shimano GRX 12-Speed Front Derailleur Braze-On Double Chainring 48T

Shimano GRX FD-RX820 Front Derailleur – Precision Shifting for Gravel & Adventure Bikes

Engineered for riders who demand smooth, reliable shifting on mixed-terrain adventures, the Shimano GRX FD-RX820 front derailleur combines innovative design with gravel-specific performance. Its toggle link mechanism reduces shifting effort while ensuring crisp, natural gear changes—perfect for long rides where fatigue matters.

Key Features & Benefits

• Wider Tire Clearance: A +2.5mm outboard chainline (vs. standard road derailleurs) accommodates chunky gravel tires without compromising chain stability.
• Expanded Gear Range: Supports up to a 17-tooth front chainring difference, giving you versatile gearing for steep climbs or fast flats.
• Simplified Setup: Integrated cable tensioner and multiple routing options (bare cable or housing stop) make installation and fine-tuning effortless.
• Optimized for Gravel: Designed for a 47mm chainline and 63°–66° chainstay angles, ensuring compatibility with modern gravel/adventure frames.

Why Choose GRX Over Standard Road Derailleurs?

Ideal for gravel grinders, bikepackers, and endurance cyclists, this derailleur delivers confident shifting on rough roads, loose trails, or all-day epics. Upgrade your drivetrain with Shimano’s gravel-tuned engineering—where precision meets durability.