Junction box[es]: Junction box A, junction box B, Di2 wires. Shifters: Shimano Ultegra ST-R8050. Front derailleur: Shimano Ultegra FD-R8050. Rear derailleur: Shimano Ultegra RD-R8050-SS. Battery: Shimano BT-DN110-A.
The Shimano Ultegra R8050 Di2 11 Speed Electronic Rim Brake Road Groupset 8050 would be a great fit for serious road cyclists looking for a reliable and high-performance electronic groupset.
