The Di2 ST-R9170 dual control levers have a slim ergonomic shape for better control in racing conditions, among other things due to an optimally balanced hydraulic brake system. Plus, Di2 shifters offer more defined shift points for quick and intuitive shifting (and braking) in all situations. Enhanced E-TUBE software allows the Multi-Shift function to be turned on and off individually for each button and the assignment of the function to each button can be adjusted individually. Thanks to the adjustable function, the shift / brake levers can be adapted to any driving style. The carbon fiber reinforced plastic construction also reduces overall weight.
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The Di2 ST-R9170 dual control levers have a slim ergonomic shape for better control in racing conditions, among other things due to an optimally balanced hydraulic brake system. Plus, Di2 shifters offer more defined shift points for quick and intuitive shifting (and braking) in all situations. Enhanced E-TUBE software allows the Multi-Shift function to be turned on and off individually for each button and the assignment of the function to each button can be adjusted individually. Thanks to the adjustable function, the shift / brake levers can be adapted to any driving style. The carbon fiber reinforced plastic construction also reduces overall weight.
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