GRX ST-RX825 12sp Di2 Disc Brake Set

Engineered for lightning-fast, precise 12-speed electronic shifting and powerful hydraulic braking, delivering ultimate control for demanding gravel and all-road adventures.

The Shimano GRX ST-RX825 12-speed Di2 Disc Brake Set provides the pinnacle of gravel-specific control, seamlessly integrating electronic shifting with robust hydraulic braking. These meticulously designed shift/brake levers offer instantaneous and incredibly accurate gear changes, ensuring flawless performance across varied terrain. Paired with GRX hydraulic disc calipers, they deliver consistent, powerful, and modulated stopping power in all conditions. With refined ergonomics and intuitive operation, this set is the definitive choice for riders seeking an uncompromisingly high-performance and reliable electronic drivetrain and brake system for their gravel or endurance bike.

• Integrated 12-speed Di2 electronic shifting and hydraulic disc braking.
• Optimized GRX ergonomics for comfortable and secure grip on gravel.
• Delivers instantaneous and precise gear changes.
• Provides powerful, consistent, and easily modulated braking performance.
• Ideal for gravel racing, bikepacking, and all-road exploration.