New Shimano Ultegra R8150 Di2 Electronic 2 x 12s Group Kit for Rim Brakes
Kit contents:
1. Shifters  - ST-R8150 Di2 Shifters (wired)
2. Rear Derailleur - Ultegra RD-R8150 Di2 (cage length - One-Spec)
3. Front Derailleur - Ultegra FD-R8150 Di2 braze on
4. Connecting Wires - EW-SD300 (included lengths 750mm, 750mm, 1200mm, 1400mm)
5. Battery - BT-DN300 Internal Seatpost Rechargeable Battery
6. Charging Cable - EW-EC300