Shimano SM-JC41 Di2 Internal Frame Junction Box - 4-Port E-Tube Connector Bar Clamp Diameter (mm)_22.2mm fitting comfortably into pockets

fitting comfortably into pockets

- Versatile Compatibility: Fits multiple rotor sizes to suit your riding needs

Lightweight and durable construction with high-quality aluminum materials ensures long-lasting performance and stability during family cycling adventures

Designed for Style and Versatility

Shimano SM-JC41 Di2 Internal Frame Junction Box - 4-Port E-Tube Connector Bar Clamp Diameter (mm)_22.2mm fitting comfortably into pocketsUpgrade your Shimano Di2 eTap electronic shifting with the Shimano SM JC41 Di2 Internal Frame Junction Box an essential component engineered for seamless integration and reliable performance. Crafted from high quality, durable materials, this 4 port junction box features precision engineering to ensure smooth communication between your electronic drivetrain components. Designed specifically for internal frame installation, the SM JC41 Junction Box