Shimano Dura-Ace R9170 Di2 Hydrualic Disc Brake

Shimano dual control hydraulic disc brake levers.
- More controllable and confidence in race condition
- Optimally balanced hydraulic brake system for racing
- Dedicated brake lever shape, stroke, contact point, stiffness and dedicated shift paddles
- Lightweight
- Carbon composite plastic material of hood
- More intuitive, quicker shifting operation
- More defined click feeling and ergonomic shift lever position
- Customizable function to fit any riding style
- Each switch has the option for multi-shift ON or OFF
- E-TUBE project
- Optimum power transmitted with grip firmly
- Ideal ergonomic cover shape with better thickness & tenderness
- Openable hood cover
- Simple set up and maintenance
- Easy replace hood cover
- Openable hood cover
- Customizable the function to fit in rider's riding style