Shimano
11 speed. 8 pieces (GRX ST-RX810 Hydraulic STI levers with hoses-2x Left sub, RX810 Flat Mount Hydraulic brake calipers - front and rear, BBR60, Ultegra: bottom bracket, RX810 1 ring crankset, R8000 Ultegra cassette, R8000 Ultegra chain and...