The Shimano ST-RX825 GRX Di2 STI Lever & BR-RX820 Calliper offers precise control with minimal effort in every riding condition, thanks to its hydraulic disc brake system. The raised lever design ensures a better grip, even on rough terrain and steep descents.Key Features and Benefits:GRX hydraulic disc brakes with 12-speed Di2 technology: Provides high braking power with less effort. This ensures reliable control in all conditions.Higher brake lever axis and curved lever: Enhances grip and confidence when riding over rough surfaces or during descents. It improves stability and control.Raised hood head design: Prevents hand misalignment and slippage while riding. It allows for safer, more comfortable handling on technical terrains.Recessed finger notch: Stops your hand from slipping upward during braking. This provides consistent performance and safety.Anti-slip texture and lever coating: Increases braking efficiency, allowing you to apply less force. It reduces fatigue on long rides.Optimised for gravel-specific ergonomics: Tailored for off-road conditions, it provides better control and comfort when gravel riding.12-speed E-tube Di2 compatible: Delivers electronic shifting with fast, accurate gear changes. This results in a smooth, quiet, and stable ride.Complete hydraulic kit: Includes the pre-bled lever, brake caliper, hose, and pads, ready to install. This ensures easy setup and immediate use.This is ideal for gravel and cyclocross riders looking for more control and comfort in rough conditions. With Di2 electronic shifting and superior braking technology, you ll enjoy smoother, safer rides. The ergonomic design ensures confidence and reduced fatigue during longer gravel or road rides.Ready to take your ride to the next level Experience the difference with Shimano s reliable time proven performance and cutting-edge technology.Specification:Shimano GRX, with its gravel specific ergonomics, optimized gearing options, rugged reliability, and quiet and stable drivetrain, sets itself apart from the rest of the component worldGRX hydraulic disc brake 12-speed Di2 STI's give you control, modulation and power with minimal effort in all riding conditionsHigher brake lever axis and curved brake lever,improves grip and confidence on choppy surfaces and descentsRaised hood head prevents hand misalignment and slippageRecessed finger notch prevents upward slippingAnti-slip texture and brake lever coating gives higher braking efficiency and reduces fatigue on long rides12-speed E-tube Di2 compatibleKit contains bled left hand ST-RX825 STI, BR-RX820 flat mount rear brake calliper with pads, hose and mineral oil (without rotor or adapter)Kit contains bled right hand ST-RX825 STI, BR-RX820 flat mount front brake calliper with pads, hose and mineral oil (without rotor or adapter)