Elevate your cycling experience with the Shimano Ultegra ST-R8170D Di2 Shift/Brake Lever paired with the BR-R8170 Hydraulic Disc Brake Caliper. Designed for road cycling enthusiasts, this innovative system enhances modulation and control on every ride through Shimano's advanced SERVO-WAVE technology. The Di2 platform allows for fast and reliable wireless shifting, providing a clean cockpit that not only looks sleek but also improves aerodynamics and simplifies maintenance. Experience improved braking performance with the BR-R8170 hydraulic 2-piston disc brake caliper, which features a quicker initial braking point and quieter operation, making it easier to maintain. Key benefits include:Wireless connectivity for a streamlined setupWider pad clearance to reduce brake noiseMaintenance-friendly bleeding processErgonomic design with raised hood peaks for optimal comfortLight and smooth lever action for superior brake controlEnhanced modulation from an expanded braking control areaCompatibility with both wireless and wired connections.