Shimano Junction-B Internal SM-JC41 w/opkge

INC-548

Regular price $30.99 Save $-30.99
/

Shipping calculated at checkout.

Show Store Availability
For internal DI2 wire routing, SHIMANO's SM-JC41 Junction B is the central connector for DI2 systems. Wires from the front and rear derailleurs, cockpit area, and battery all plug into the 4-port SM-JC41 junction, which is housed inside the bike frame.

You may also like