Shimano GRX BR-RX820 + Di2 ST-RX825 Disc Brake
Product Description
GRX BR-RX820 + Di2 ST-RX825 Disc Brake by Shimano – Reliable Hydraulic Brake with Wireless Shifting
The GRX BR-RX820 + Di2 ST-RX825 Disc Brake from Shimano is designed for cyclocross, gravel, city, and touring applications, offering precise control and smooth braking performance. This hydraulic brake system uses mineral oil as the braking medium, ensuring consistent stopping power in various conditions. The brake caliper is made from lightweight aluminum and mounts with a flat mount system, providing a secure and clean setup. The brake lever features an aluminum construction with a plastic grip body for comfortable handling. Thanks to the wireless 12-speed Di2 shift system, gear changes are quick and effortless, enhancing your ride experience. The closed clamp mounting keeps everything tight and reliable on your handlebars. You can adjust the reach of the brake lever to fit your hand size perfectly, improving comfort and control. This combination of components delivers dependable braking and shifting performance tailored for mixed terrain and long rides. Step up your setup with this versatile and well-engineered brake and shift system.
Information regarding the return of batteries and electrical equipment:
Product Specifications:
- Braking medium:
- Mineral oil
- Shift System:
- Wireless
- Gearing levels cassette:
- 12-speed
- Application:
- Cyclocross, Gravel, City & Touring
- Type:
- Hydraulic
- Brake Type:
- Hydraulic
- Type:
- Brake with shift/brake lever
black | Left (side-specific) | Front wheel:
- Design:
- Front wheel
- Crank speed:
- 2-speed
- Design:
- Front Wheel
black | Right (side-specific) | Rear wheel:
- Crank speed:
- 2-speed
- Design:
- Rear wheel
- Design:
- Rear Wheel
Technical Information:
- Brake fluid:
- Mineral oil
- Brake caliper mounting:
- Flat Mount
- Brake medium:
- Mineral oil
- Adjustment options:
- Reach
- Brake lever material:
- Aluminum
- Caliper material:
- Aluminum
- Material grip body:
- Plastic
- Mounting:
- Closed clamp
black | Left (side-specific) | Front wheel:
- Design:
- Left (side-specific)
black | Right (side-specific) | Rear wheel:
- Design:
- Right (side-specific)
Product Features:
- High-performance GRX BR-RX820 hydraulic disc brake with wireless Di2 ST-RX825 shift/brake lever, perfect for cyclocross, gravel, city, and touring rides
- Durable aluminum caliper and brake lever ensure reliable stopping power and long-lasting performance
- Smooth and precise modulation with mineral oil brake fluid for consistent braking in all conditions
- Flat mount caliper design and closed clamp mounting offer a sleek, secure fit on modern frames
- 12-speed wireless shifting system integrated into the brake lever for seamless gear changes and clean cockpit setup
Manufacturer Number:
- black | Left (side-specific) | Front wheel: IRX8251DLF6SC100A
- black | Right (side-specific) | Rear wheel: IRX8251DRRDSC170A
Contents:
- 1 x Shimano GRX Di2 STI Shift/Brake Lever ST-RX825
- 1 x CR1632 Battery (integrated)
- 1 x Shimano GRX Di2 Brake Caliper BR-RX820, Front or Rear
- 1 x Shimano SM-BH90-JK-SSR Brake Hose 1000 mm (Front)
- 1 x Shimano SM-BH90-JK-SSR Brake Hose 1700 mm (Rear)
- 1 Pair Shimano Brake Pads
- 1 x Disc Brake Adapter (Front)
- 1 x Hose Connection Set with Olives and Insert Pins
- 2 x Type A Mounting Bolts (Front)
- 2 x Mounting Bolts for 25 mm Frame Diameter (Rear)
- Brake set ready for installation, filled; bleeding is recommended after installation
Manufacturer:
High Tech Campus 92
5656 AG Eindhoven
Netherlands
info@shimano-eu.com










