Rotors Not IncludedShimano Ultegra ST-R8170 12spd Left and Right Shifters provide precise electronic gear control combined with hydraulic braking performance for road cycling setups that rely on consistent and responsive handling over long distances and fast group riding.Shimano Ultegra ST-R8170 12spd Left and Right Shifters pair with ST-R8170-R and ST-R8170-L shifters alongside BR-8170-R and BR-8170-L calipers to form a complete shifting and braking system. Cable routing remains clean with housing lengths set at 1000mm for the front and 1700mm for the rear, supporting neat integration across modern frames.Hydraulic braking response delivers steady stopping power in changing weather conditions while maintaining precise modulation at the lever. Shimano Ultegra ST-R8170 12spd Left and Right Shifters support confident control during extended road efforts where reliable gear changes and braking consistency matter most.Features- Shimano Ultegra ST-R8170 12spd Left and Right - Shifters deliver fast, precise electronic shifting across a 12-speed road drivetrain- ST-R8170-R and ST-R8170-L shifters pair with BR-8170-R and BR-8170-L hydraulic calipers for consistent braking control- Hydraulic lever action provides smooth modulation for confident speed control in varied road conditions- 1000mm front and 1700mm rear housing lengths support clean internal routing and tidy cockpit setup- Integrated system keeps shifting and braking response tight and responsive during long road efforts- Shimano Ultegra ST-R8170 12spd Left and Right - Shifters maintain reliable performance with minimal hand movement required for gear changes- Compact lever layout supports efficient control without clutter on the handlebar areaWhats Included:- ST-R8170-R and ST-R8170-L Shifters - BR-8170-R and BR-8170-L Calipers- Housing: 1000mm (Front), 1700mm (Rear)- Rotors Not Included

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