The Di2 SM-JC41 distributor from Shimano is a tool for diagnosing and updating Shimano Di2 electronic shifting systems. It has 4 ports, 1 of which is for power supply and 3 for connection to components.
This tool is suitable for the following derailleurs:
- Dura Ace Di2 9070
- Dura Ace Di2 R9150
- Ultegra Di2 6770
- Ultegra Di2 6870
- Alfine Di2
- XTR Di2 M9050
- XT Di2 M8050
Note: if you have any questions regarding compatibility or availability, we invite you to contact our customer service.
| Manufacturer: | Shimano |
| Compatibility: | Dura Ace Di2 9070 / Dura Ace Di2 R9150 / Ultegra Di2 6770 / Ultegra Di2 6870 / Alfine Di2 / XTR Di2 M9050 / XT Di2 M8050 |
| Connection: | 4 E-Tube sockets |







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