Discover the best components and accessories from the Shimano Di2 range with Escapa. The Shimano Di2 Internal Connector B SM-CJ41 for EW-SD50is an E·Tube component shared by the Dura-Ace Di2 and Ultegra Di2 groupsets. Internal cable connector.
The Junction B distribution unit has 4 inputs and connects the battery, rear derailleur, front derailleur, and the cable from the shift lever.
The internal hub is housed in the frame’s down tube. All shift cables can be routed inside the frame, out of sight, if the frame is designed for this.
Technical specifications:
Connection: 4x E-Tube cable connection
Connection cable: EW-SD50-I (internal routing)
Compatibility: Dura Ace Di2 9070 | Ultegra Di2 6770/6870 | XTR Di2 M9050 | Alfine Di2
Function: Cruz-brake
Mounting: on the frame
Color: Black
Weight: 4.4 g
Includes: 1x distributor
