Rotors Not IncludedShimano Ultegra STR8170 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 ridingShimano Ultegra STR8170 12spd Left and Right Shifters pair with STR8170R and STR8170L shifters alongside BR8170R and BR8170L 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 framesHydraulic braking response delivers steady stopping power in changing weather conditions while maintaining precise modulation at the lever Shimano Ultegra STR8170 12spd Left and Right Shifters support confident control during extended road efforts where reliable gear changes and braking consistency matter mostFeatures Shimano Ultegra STR8170 12spd Left and Right Shifters deliver fast precise electronic shifting across a 12speed road drivetrain STR8170R and STR8170L shifters pair with BR8170R and BR8170L 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 STR8170 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 STR8170R and STR8170L Shifters BR8170R and BR8170L Calipers Housing 1000mm Front 1700mm Rear Rotors Not Included

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