Shimano SM-JC41 Di2 Internal Frame Junction Box - 4-Port

Elevate your cycling experience with the Shimano SM-JC41 Di2 Internal Frame Junction Box. Designed for seamless integration, this premium component enhances the performance of your bicycle's electronic shifting system.

• Connects via SD50 E-tube wires to four key points: front derailleur, rear derailleur, cockpit junction box, and battery mount.
• Ensures compatibility across all Di2 components by requiring the same firmware version for optimal functionality.
• Facilitates easy updates to component firmware using the Di2 system checker for reliable performance.
• Compact design allows for neat installation within the frame, maintaining the aesthetic of your bike.
• Durable construction ensures long-lasting performance in various cycling conditions.

How to use / Ideal for: The Shimano SM-JC41 is ideal for cyclists looking to enhance their bike's electronic shifting capabilities. Simply connect the junction box to the designated components using SD50 E-tube wires, ensuring all components are updated to the same firmware version for optimal performance.

Details: The Shimano SM-JC41 Di2 Internal Frame Junction Box features a 4-port design, ensuring efficient connectivity and performance for your bicycle's electronic drivetrain system.