Shimano EW-SD50 Ultegra Di2 SM-JC41 cable junction in a box

Shimano EW-SD50 Ultegra Di2 SM-JC41 cable junction in a box

SHIMANO B junction - E-TUBE - internal wire routing DI2 - 4 ports

• SHIMANO B junction - E-TUBE - internal wire routing DI2 - 4 ports

• for internal Di2 wire routing, the ISMJC2 Junction B SHIMANO is the central connector for Di41 systems

• cables from the derailleur and front derailleur, the cockpit area and the battery all plug into the 4-port SM-JC41 junction, which is located inside the bike frame

• packed in a box