SHIMANO ULTEGRA DI2 Triathlon/TT DUAL CONTROL LEVER Rim Brake 11-speed | SHIMANO BIKE-EU
Shimano Di2 Triathlon TT Review - YouTube
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