Shift/Brake Lever with Brake Shimano GRX ST-RX825/BR-RX820 Di2 Right, 12-speed
Shimano GRX ST-RX825/BR-RX820 Di2 right set combines electronic 12-speed shifting and a powerful hydraulic disc brake for confident gravel performance.
Overview
Shift/Brake Lever with Brake Shimano GRX ST-RX825/BR-RX820 Di2 Right, 12-speed
The Shimano GRX Di2 ST-RX825 + BR-RX820 is a complete 12-speed electronic shifting and hydraulic disc brake solution for gravel and cyclocross bikes. High speeds, mixed surfaces and unpredictable routes demand maximum control – this set combines precise Di2 rear shifting with powerful braking performance in one reliable system.
The ST-RX825 Di2 lever delivers fast and ultra-precise 12-speed rear shifting, while the Flat-Mount-R BR-RX820 caliper provides strong and well-modulated braking. L05A-RF Resin pads with cooling fins help maintain consistent braking performance on long descents. The one-way bleeding system simplifies maintenance, and Shimano mineral oil ensures stable and predictable brake feel. The result is confident control and reliability on every gravel ride.
- Application: Gravel, Cyclocross
- Group: GRX Di2 RX825
- Model: ST-RX825-R
- Type: Dual-Control (STI), Di2
- Mount: Right
- Rear speeds: 12-speed
- Reach adjustment: Yes, with tool
- Handlebar diameter: 23.8 mm / 24.2 mm
- Brake type: Hydraulic disc brake
- Caliper: BR-RX820, Flat-Mount-R
- Brake pads: L05A-RF Resin with Fin
- Brake hose: SM-BH90-JK-SS, rear 1700 mm (shortenable)
- One-way bleeding: Yes
- Brake fluid: Mineral oil
- Recommended rotor: SM-RT64 / SM-RT70 / SM-RT800
- Compatible electric wire: EW-SD300
- E-Tube Project: Yes
- E-Tube port: 1
- E-Tube plug: 0
- Di2 wireless chip: Yes
- Battery: CR1632 x 2
