Shimano Dura ace ST-R9170 DI2 Shifter brake right side caliper set - pre bled 2021Bespoke CyclesNow $525$659.95
Shimano Ultegra ST-R8170/BR-R8170 Di2 Shift/Brake Lever and Hydraulic Disc Caliper - Left/Front, 2x12-Speed, Flat Mount, BlackBespoke Cycles$536.99