Shimano Dura Ace-Di2 EW-7973-B-1 Internal Wire Kit (Rear)
This is the Shimano Dura-Ace Di2 internal and external wiring kit to wire up the rear portion of the bike. Just add the battery and front wiring harness to complete the system. The wiring system is intended for ideal internal routing to the rear derailleur and the front of the bicycle
Included in the Kit:
- External Battery Mount for frame mounting with connecting screws.
- 2 e-tube cable extensions (front of bike and rear derailleur)
- e-tube connecting tool (TL-EW02)
- Rear Junction Box mounts to bottom bracket cable guide and connects to:
- Junction box to front of bicycle: 780mm (internal)
- Junction box to battery mount: 250mm (external)
- Junction box to front derailleur: 330mm (external)
- Junction box to rear derailleur: 510mm (internal)
This product was added to our catalog on July 29, 2014.