Shimano Ultegra ST-R8020/BR-8070 Disc Brake and Lever - Rear, Hydraulic, Flat Mount, Resin Pads, Black Shimano hose install for new shifter (run internal) part name: Shimano Ultegra ST-R8020/BR-8070 Disc Brake and Lever - Rear, Hydraulic, Flat Mount, Resin Pads, Blackpart make model: Shimanohose install for new shifter (run internal)bike part approved: