Junction Box Shimano SM-JC41 Di2 internal installation

The Shimano SM-JC41 is a essential component for organizing and connecting cables in Shimano Di2 systems. It is mounted inside the frame and serves as the central connection point for up to four EW-SD50 cables, ensuring stable operation and a clean appearance without external junctions. It is ideal for bikes with internal cable routing and for riders who want a reliable and professional Di2 setup.

• Manufacturer: Shimano
• Model / Series: SM-JC41
• Product type: Junction Box Di2 (internal)
• Usage: Road / Gravel / MTB
• Compatibility: Shimano Di2
• Technologies / System: Shimano Di2
• Material: High-strength synthetic material
• Mount type / installation: Internal frame mounting
• Color: Black
• Weight: 4 g