*The images are indicative and may vary from the actual product. Some accessories may not be included or components may be different. Check the components section within the product features
For internal routing of DI2 cables, SHIMANO's SM-JC41 B-connector is the central connector for DI2 systems. The rear derailleur and front derailleur cables, cockpit area and battery connect to the 4-port SM-JC41 connection, which is housed inside the bike frame.
| Sales model code | SM-. JC41 |
| Shimano part code | Small parts |
| Bike discipline | E-Bike/Di2/E-tube |
| Use | On the bike |