Shimano Ultegra ST-R8170/BR-R8170 Di2 Shift/Brake Lever and Hydraulic Disc Caliper - Left/Front, 2x12-Speed, Flat Mount, Black Ships within United States Buy Online or Click & Collect Share Loading Facebook Like button... Shimano Ultegra ST-R8170/BR-R8170 Di2 Shift/Brake Lever and Hydraulic Disc Caliper - Left/Front, 2x12-Speed, Flat Mount, Black Ships within United States Buy Online or Click & Collect Share Loading Facebook Like button...