Push for speed without compromise. The Shimano ST-R8170/ BR-R8170 12Spd Di2 Brake and Shifter combines rapid wireless shifting with confident braking to suit the pace and precision of today's road cyclists. Thanks to a streamlined cockpit and easy setup, installation takes less time, leaving you ready to focus on the ride.Lightning-fast gear changes come through wireless Di2 technology, while the ST-R8170 levers allow full control with improved ergonomics and smooth hydraulic braking. Brake performance stays responsive even under pressure, backed by Servowave tech for refined modulation and added comfort.J-Kit hose integration and One-Way Bleeding simplify maintenance, while a wider brake pad clearance reduces unwanted noise. Customisation runs deep with the E-Tube Project app, offering multiple shift modes and real-time adjustments from your device.For riders who expect more from every shift and stop, the Shimano ST-R8170/ BR-R8170 delivers in every rotation.FeaturesShifters (ST-R8170)- Wireless Di2 shifting ensures instant, cable-free gear changes- Ergonomic lever design improves grip and control on long rides- Compatible with E-Tube Project app for custom button setupsBrakes (BR-R8170)- Servowave tech delivers smooth, responsive braking feel- Wider brake pad clearance helps cut down on noise under load

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