# Shimano GRX ST-RX825 Di2 Shift/Brake Lever BR-RX820 Hydraulic Disc Brake Caliper - Left/Front 2x Flat Mount Caliper BLK

The Shimano 12-speed Shimano GRX Di2 Dual Control Lever delivers fast wireless shifting for gravel and mixed-terrain riding. The ergonomic lever features raised hoods ribbed surface texture and an anti-slip coating on the brake lever for increased security and control. The hood body bracket shape is newly optimized for seamless integration with flared handlebars while retaining the gravel-specific third button location. To complete the cockpit RX825 levers are compatible with three satellite shifter options (sold separately) and features Shimano FRONT SHIFT NEXT functionality to maximize rider customization options. The GRX BR-RX820 2-piston disc brake caliper brings a high level of control to gravel cycling with enhanced modulation and a quick initial braking point. Despite its smaller construction the system is exceptionally quiet and easy to maintain.-   Provides a clean cockpit with fast and reliable wireless shifting
-   Two easy-to-change CR1632 batteries are long-lasting with a 3-4 year life
-   Better comfort and control with anti-slip coating on levers raised hoods textured surface and optimization for use with flared handlebars
-   Customizable shifting set-up features Shimano's FRONT SHIFT NEXT funcitionality that allows the user to program a single button to control the front derailleur; Hit the shift button once and the Front Derailleur moves up hit that same button again and it moves down
-   FRONT SHIFT NEXT free’s up a button on the bike for additional functionality
-   Compatible with Shimano's SW-RS801-S/T/E satellite shifter (sold separately)
-   GRX RX820 2-piston caliper for 25mm frame mounts features 10% wider pad clearance to decrease brake noise
-   One-way maintenance-friendly bleeding process for quick and easy prevention of air bubbles in the hydraulic system
-   Includes finned L05A pads with a resin compound for enhanced heat dissipation
-   Disc brake rotor sold separately
    
    Brake Lever Actuation
    
    Hydraulic
    
    Double or Triple
    
    Double
    
    Rotor Included
    
    No
    
    Brake Caliper Mount
    
    Flat Mount
    
    Brake Lever Use
    
    Left
    
    Drivetrain Speeds
    
    12
    
    Front Der/Shifter Compatibility
    
    Shimano Road Di2
    
    Color
    
    Black
    
    Hydraulic Fluid Type
    
    Mineral Oil
    
    Pad Compound
    
    Resin
    
    Hydraulic Hose Length
    
    1000
    
    Includes Brake
    
    Yes
    
    Adjustable Reach
    
    Yes
    
    Adjustable Contact Point
    
    Yes
    
    Defined Color
    
    Black
    
    Lever Side
    
    Left

## Details

- **Price:** 595.0 USD
- **Vendor:** Gio's Outdoors
- **Type:** Brake/Shift Lever - Drop Bar
- **Tags:** Gio's Outdoors, Shopify Collective

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 595.00 USD | In stock |

## Images

- Shimano GRX ST-RX825 Di2 Shift/Brake Lever BR-RX820 Hydraulic Disc Brake Caliper - Left/Front 2x Flat Mount Caliper BLK

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> Source: [Smart supply deals](https://smartsupplydeals.com/products/shimano-grx-st-rx825-di2-shift-brake-lever-br-rx820-hydraulic-disc-brake-caliper-left-front-2x-flat-mount-caliper-blk)
> Updated: 2026-07-22