E-Tube Di2 Junction Box
Current price: $21.44 Original price: $32.99
35% off
Style & Size:
Quantity
Warning: California Proposition 65
It’s time to connect.
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).
Details
- Connects Di2 cycling component and battery wires
- Available in external or internal configurations
- Shimano's Di2 is the most popular electronic drivetrain in the pro ranks
- Item #SHI0394
- Crankset Compatibility
- 2 x 10
- Compatible Components
- Shimano Ultegra Di2
- Recommended Use
- ditching your mechanical tethers
- Manufacturer Warranty
- 2 years
Reviews
Q&A
What do you think about this product?
View
Selecting an option will reload the available reviews on the pageSorry, we don’t currently have any of those types of reviews for this product.
Need Expert Advice?
Our Gearheads Can Help
California Proposition 65
Cancer and Reproductive Harm - P65Warnings.ca.gov