Shimano Ultegra Di2 Junction Box

Item # SH-SD50JB
Mouse over image to zoom View Larger

Customers Who Viewed This Item Also Purchased These Items

Ride 2 Recovery - Donation $1.00
$29.99
MSRP: $29.99


Add to cart
Save to Wish List
Sorry, this item is Out of Stock and cannot be purchased at this time.
Shimano Ultegra Di2 Junction Box
As an improvement over the Dura-Ace Di2 setup, the Ultegra Di2 group uses a junction box to simplify the wiring, giving you a cleaner look with easier setup. The junction box mounts under your bottom bracket shell (for external wiring) and connects the wires coming from the derailleurs, levers and battery.
  • Junction box mounts under your bottom bracket shell
  • Provides a secure, waterproof connection for your wiring
  • Compatible with externally-wired Ultegra Di2 setups
  • Not compatible with Dura-Ace Di2
Shimano Ultegra Di2 Junction Box
  • WEIGHT
  • MATERIAL
  • COMPATIBILITY Shimano Ultegra Di2 system
  • MAX. CHAINRING
  • CAPACITY
  • CLAMP DIAMETER
Your recent selection has been added to the cart

Shimano Ultegra Di2 Junction Box

Shimano Ultegra Di2 Junction Box

Item No. »  SH-SD50JB

$29.99
Continue Shopping View Cart and Checkout