Buy Shimano Shifter - ST-R8170 Ultegra hydraulic Di2 STI for drop bar without E-tube wires
Amazon.com: SENSAH STI Road Bike Shifters Double 2×7/2×8/2×9/2×11 Speed Lever Brake Bicycle Derailleur Groupset Compatible for Shimano Claris Sora (2*11s Lever) : Sports & Outdoors
Shimano Ultegra ST-R8050 Di2 Shift/Brake Levers at BikeTiresDirect