Brakes/Levers/Pads

Your time on the bike is precious, let Shimano make it even better. Ultegra ST-R8170 brake levers bring enhanced modulation and control to every ride by employing Shimano's proven SERVO-WAVE technology. The Di2 platform untethers the shifters while delivering fast and reliable wireless shifting. BR-R8170 disc brake caliper brings a new level of control to the road cycling world with improved modulation and a quicker initial braking point. Despite its smaller construction, the system is quieter than ever and easier to maintain. - The wireless connection provides a clean cockpit, enhancing the aerodynamic effect and easy maintenance - Wider pad clearance decreases brake noise - Maintenance-friendly bleeding process - Unparalleled ergonomic features, such as raised hood peaks on levers - Brake control is optimized with light and smooth lever action - Enhanced modulation thanks to an expanded braking control area - Compatible with wireless or wired connection

- 4 pistons in the front for maximum braking power - 2 pistons in the rear for perfect modulation - Thanks to the new 1-finger HC Carbon lever blade it just weighs about 230g (average value) - Suitable for mounting left or right - Position: Front and Rear - Hydraulic Hose Length: 2200mm - Fluid: Mineral oil