REAR DERAILLEUR SHIMANO RD-9150-SS DURA-ACE DI2

More control and confidence in race conditions. Optimally balanced hydraulic brake system for racing. Dedicated brake lever shape, stroke, contact point, stiffness and dedicated shift paddles. Light weight. 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.