SHIMANO DI2 ULTRGRA R8170 groupset 2*12s road bike groupsets hydraulic disc brake

ULTEGRA ST-R8170 Di2 2x12-Speed Shifter Set

ULTEGRA BR-R8170 brake calipers(front & rear)

ULTEGRA FD-R8150 Di2 2x12-speed Front Derailleur Braze On

ULTEGRA RD-R8150 Di2 12-speed Rear Derailleur

ULTEGRA CS-R8100 cassette(11-30T/11-34T)

Di2 Battery BT-DN300 (For built-in installation in the seat post)

Di2 Battery Charging Cable EW-EC300

Di2 Electric Wire EW-SD300 Set (1x800mm / 1x1200mm)