Shimano 105 Di2 Groupset R7170 12s Groupset R7170 Brake R7100 Crankset R7150 FD R7150 RD Original Shimano

Full Groupset:

1. Crankset R7100 170/172.5/175 50-34T/52-36T (need choose)

2. Casasette R7100 11-34T / 11-36T（need choose)

3 .Chain CN-M7100

4. ST-R7170 shifter

5. BR- R7170 brake with l05a / k05s(need choose)

6. FD-R7150 front derailleur

7. RD-R7150 rear derailleur

8. Built-in battery BT-DN300

9. Charging cable EW-EC300 *1

10. Electric wire EW -SD300 *2 pieces

11.BBR60/BB72/NO BB(need choose)

12. TL-EW300