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Shimano Ultegra Di2 Jucntion Box

The junction box connects the wires from the rear derailleur, front derailleur, battery, and shift levers together.

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$34.95

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$34.95

Shimano Ultegra Di2 Jucntion Box

Details

Description

The junction box connects the wires from the rear derailleur, front derailleur, battery, and shift levers together.  There are two types, externally mounted (SM-JC40) and internally mounted (SM-JC41) to the frame. 

Specifications

SKU SHI-SM-JC

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