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Shimano Di2 SM-JC40 Junction Box for External Routing – SEO Optimized

Original price was: $1.50.Current price is: $0.50.

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Shimano Di2 SM-JC40 Junction Box for External Routing – SEO Optimized
$1.50 Original price was: $1.50.$0.50Current price is: $0.50.

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**Shimano Di2 Frame Junction Box: The Ultimate Integration Hub for Precision Bike Electronics**

Elevate your Shimano Di2 system with the **Shimano Di2 Frame Junction Box**, the heart of your bike’s electronic drivetrain. This innovative junction box seamlessly connects via SD50 E-tube wires to four critical points: the front derailleur, rear derailleur, cockpit junction box, and battery mount. Designed for precision and reliability, it ensures flawless communication between all Di2 components, delivering unmatched shifting performance.

**Key Features:**
– **Seamless Integration:** Connects directly to the front derailleur, rear derailleur, cockpit junction box, and battery mount, ensuring all components work in perfect harmony.
– **Firmware Synchronization:** All Di2 components must run the same firmware version to prevent malfunctions. The Di2 system checker tool, available at [http://e-tubeproject.shim
CSH10653 LH 02

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