Shimano ultegra r8070 di2 2x11 speed sti shifterthis shimano ultegra r8070 di2 2x11 speed sti shifter offers an increase in accuracy and shifting precision delivering a more intuitive operation the updated ergonomic design of this shimano ultegra r8070 di2 2x11 speed sti shifter clearly separates the shift buttons so you can shift easily and efficiently even in the depths of winter when youre wearing thick gloves designed for hydraulic brakesthe r8070 dual control lever is designed specifica