Shimano Dura-Ace 9160 Di2 Dual Control TT Bar-End Shift/Brake Levers - All Mountain Cyclery | Boulder City, NV
Amazon.com : SHIMANO SW-R671 Di2 Shift switches for TT / Tri Bars, 2 Button, E-Tube, Right Hand : Sports & Outdoors
Shimano Dura-Ace ST-R9180 Di2 TT Shifter/Hydraulic Brake Lever Set with BR-R9170 Flat-Mount Brake Caliper and J-Kit Fittings, Front/Left - In The Know Cycling