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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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 1–4 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.
Riding Gear & Apparel:
Riding gear and apparel orders (helmets, jerseys, gloves, etc.) ship within 1–3 business days.
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.
