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