Shimano Ultegra Di2 R8170 R8150 2×12 Groupset 165mm 52/36 Disc
Pair of Shimano Ultegra ST-R8170 Di2 hydraulic shift/brake levers. Shimano Ultegra RD-R8150 12-speed Di2 rear derailleur. Shimano Ultegra FD-R8150 12-speed Di2 front derailleur. Di2 wires, brake hoses and small hardware shown in the photographs.