Create Account
Sale Shop By Brand My Account

Road    Di2 Wire Kits, Batteries & Accessories

Shimano E-Tube Di2 SM-JC41 Internal Junction Box

The Shimano E-Tube Di2 SM-JC41 Internal Junction Box is used for all applications except mounting underneath the bottom bracket to the cable guide mount where the External Junction box would be used. The Junction box is aptly named as four E-Tube Di2 wires emanate from the Junction Box.


  • 10 grams
  • Joins all 4 connecting wires

Reg Price $29.95
Item #: 111541
Item is in stock