Shimano GRX ST-RX825 Di2 Shift/Brake Lever BR-RX820 Hyd Disc Brake Caliper - Right/Rear 12-Speed Flat Mount Caliper For 25mm Mount
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GRX ST-RX825 Di2 Shift/Brake Lever BR-RX820 Hyd Disc Brake Caliper - Right/Rear 12-Speed Flat Mount Caliper For 25mm Mount

$595.00
/
Shipping calculated at checkout.
  • In stock
  • Backordered, shipping soon
  • Free Domestic Shipping On Orders Over $150 (Excluding Oversized and Bikes)
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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
    Rotor Included No
    Brake Caliper Mount Flat Mount
    Brake Lever Use Right
    Rear Der/Shifter Compatibility Shimano Road Di2
    Drivetrain Speeds 12
    Color Black
    Hydraulic Fluid Type Mineral Oil
    Pad Compound Resin
    Hydraulic Hose Length 1700
    Includes Brake Yes
    Adjustable Reach Yes
    Adjustable Contact Point No
    Defined Color Black
    Lever Side Right

    • Shipping Policy

    Components:

    All component items (wheels, drivetrains, suspension, brakes, etc.) ship within 4-7 business days of purchase.

    Bicycles:

    Complete bikes typically ship within 2–3 weeks due to build, tuning, and inspection times. You will receive tracking information as soon as your order is ready to ship.

     Gear & Apparel:

    Outdoor Gear and apparel orders (helmets, jerseys, gloves, etc.) ship within 5-21 business days. Please reach out to us with the most up to date deliveries times as they vary per Manufacturer. 

    Returns & Exchanges:

    If you received the wrong size or wish to exchange an item, it must be returned in original condition—unused, uninstalled, and with all packaging intact.

    For full details, please see our Refund Policy before initiating a return.

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    Prepared with intention.

    Every product is carefully inspected and handled by our team before it ships. From fit and function to final details, we make sure each piece is ready for the outdoors ahead—so you can focus on the experience, not the gear.

    Passion drives us

    At SpokeX Bike Co., bikes aren't just our business — they’re our way of life. As a rider-owned and operated shop, every decision we make comes from firsthand experience on the trail, at the race, and on the open road. We know what it’s like to chase a new line, push through the pain cave, and celebrate the ride — because we live it every day.

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