New 2018 Shimano Ultegra R8050 Di2 Electronic 2x11s Kit
This is a full factory kit with your choice of options - included are the following:
1. STI Levers - Ultegra ST-R8050 Di2 STI Levers
2. Rear Derailleur - Ultegra RD-R8050 Di2 (short cage SS or medium cage GS)
3. Front Derailleur - Ultegra FD-R8050 Di2 braze on
4. Front Wire Kit - SM-EW90-A 3-port junction with two 350mm EW-SD50 wires 
5. Connecting Wires - EW-SD50 (included lengths 300mm, 550mm, 700mm, 950mm)
6. Rear Junction Box - SM-JC40 (for EXTERNAL) or SM-JC41 (for INTERNAL)
7. Battery - SM-BTR1 Rechargeable Battery or BT-DN110 Internal Seatpost Rechargeable Battery
9. Charger - SM-BCR1 (110V-220V) with power cord (for SM-BTR1) or SM-BCR2 with Cable (for BT-DN110)
 
 
 
Need help? Check out these documents.
 
I will send you an online form to complete your component selection after payment.
(We reserve the right to ship by the most economical mode and method of packaging. Expedited shipping and insurance are also available for an additional charge.)
8. Battery Mount - BM-DN100-LB LONG EXTERNAL (for water bottle cage mounts) or BM-DN100-S SHORT, EXTERNAL (for specific Di2 battery mount on the chainstay or downtube). Not needed if using BT-DN110 Internal Battery.