Shimano Dura Ace 7970 Di2 Mini Group Set in Good Condition (10 speed) - $625
includes:
Shimano Dura Ace Di2 FD-7970 Front Derailleur
Shimano Dura Ace Di2 RD-7970 Rear Derailleur
Shimano Dura Ace Di2 ST-7970 Dual Control Shift Levers
All wiring including Shimano Di2 SM-EW67 STI Junction wire
BRAND NEW :: Shimano Dura Ace 9070 Di2 Mini Group Set (11 speed) - $1500
includes:
Shimano Dura-Ace Di2 ST-9070 STI Levers
Shimano Dura-Ace Di2 RD-9070 Rear Derailleur 11-speed
Shimano Dura-Ace Di2 FD-9070 Front Derailleur braze-on
Shimano Di2 Junction Box B SM-JC40
Shimano Di2 External Battery SM-BTR1
Shimano Di2 External Battery Mount SM-BMR2
Shimano Di2 Battery Charger SM-BCR1
Shimano Di2 Battery Charger Cord
Shimano Di2 Downtube Electric Wire SM 700mm
Shimano Di2 Electrical Battery Wire SM 300mm
Shimano Di2 Electrical Front Derailleur Wire SM 300mm
Shimano Di2 Electrical Rear Derailleur Wire SM 500mm
NOTE
If you need a braze-on adapter, I'll include a SM-AD90-MS.