Easy contact

Service & Support
+49 351 811 975 90

E-Mail Support Mail support

Follow us

Follow us on FacebookFollow us on Facebook
Follow us on youTube

Join Newsletter Newsletter
... join & enjoy

header image

SHIMANO Dura Ace Di2 Verteiler Junction B extern SM-JC40 & intern SM-JC41

  • Our price : 22,50 €
  • including 19% VAT., Plus Shipping
  • List Price: 39,95 €
  • You save 44%, that is 17,45 €
Loading ...


Shimano Di2 distributor Junction B | SM-JC41 internally

The distribution unit Junction B besizt 4 inputs and connects this to the battery, the rear derailleur, the front derailleur and the light coming from the cockpit cable.
The internal manifold is housed in the down tube of the frame. All shift cable can therefore not visible, are laid in the frame when it is prepared for this.

Technical specifications

Connection: 4x E-Tube Cable Connection
Connection cable: EW-SD50-I (internal wiring)
Compatibility: Dura Ace Di2 9070 | Ultegra Di2 6770/6870 | XTR Di2 M9050 | Alfine Di2
Function: Junction B
Mounting: under
Color: Black


Delivery: 1x Distributor

Other customers have also bought the following items