Description
�� Series: Ultegra Di2 R8170. �� Shifting System: electronic, semi-wireless. ST-R8170 communicates via wireless protocol with the rear derailleur, which in turn is wired to the battery and indirectly to the front derailleur.
Additional Information
| Brand | Shimano |
|---|---|
| Color | Black |
| MPN | ISTR8170LE / ISTR8170RE |
| Model | ST-R8170 |
| Part Type | Shifters |
