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Shimano GRX 12-Speed Front Derailleur Braze-On Double Chainring 48T
Original price was: $61.99.$13.84Current price is: $13.84.
Description
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?
| Feature | GRX FD-RX820 | Conventional Road Derailleurs |
|---|---|---|
| Chainline Offset | +2.5mm (wider tires) | Standard (limited clearance) |
| Shift Effort | Lighter (toggle link) | Heavier (traditional spring) |
| Front Chainring Range | Up to 17t | Typically narrower |
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.
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