Shimano Dura Ace-Di2 EW-7973-B-1 Internal Wire Kit (Rear)
Shimano Dura Ace-Di2 EW-7973-B-1 Internal Wire Kit (Rear) is backordered and will ship as soon as it is back in stock.
- 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)