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Shimano E-Tube Di2 Junction Box - Size: External in SM-JC40 by Shimano - Bike > Bike Parts > Small Parts > Road Bike Small Parts
22% off

Product Description

Shimano’s E-Tube Di2 Junction Box (also known as the B junction) connects all your component and battery wires to make assembly much easier. It's a crucial item along with the five required wire sections to operate your Ultegra 6770, Ultegra 6870, or Dura-Ace 9070 Di2 shift system. The E-Tube Di2 Junction Box is available in two configurations: Internal (SM-JC41) and External (SM-JC40).

Shimano E-Tube Di2 Junction Box - Size: External in SM-JC40

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Product Details

Category Bike > Bike Parts > Small Parts > Road Bike Small Parts
Brand Shimano
Color One Color
Size External/SM-JC40
Gender unisex
Condition new
MPN SHI0394-ONECOL-EXT-BACKCOUNTRY
Shimano

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