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The Di2 platform untethers the shifters while delivering fast and reliable wireless shifting. The BR-R8170 hydraulic 2-piston 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
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Review Shimano Ultegra ST-R8170 & BR-R8170 Hydraulic Disc Brake Set
