Shimano

SM-JC41 SHIMANO - Junction B - E-TUBE - Internal DI2 Wire Routing - 4-Port 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. For internal wi...

SHIMANO Di2 EW-SD50 cable The thin Shimano Di2 EW-SD50 cable supplies all electronic Shimano components such as display, rear derailleur or front derailleur with electricity and electronic signals. The twin-core cable with waterproof plugs is suitable for internal, as well as external cable routing and available in different lengths from 200 b...