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Global Bikes Bike Shop - Arizona's #1 Specialized Bike Dealer!

Gilbert: 480-892-1315

Chandler South: 480-782-8342

Chandler North: 480-899-3625

Ahwatukee: 480-706-0858*NEW

Welcome to Global Bikes bike shops. Arizona's #1 Dealer for Specialized Bikes. Multiple bike shop locations in Ahwatukee, Chandler, and Gilbert Arizona
BUY - SELL - TRADE SHOP RIDES & CLINICS REPAIR SERVICES FINANCING* EMAIL US
 
 
 
 
 
 
 
> Global Bike's Mail Order Catalog > Components > Shifter > Electronic Shifter Parts, Shimano > Junction Box > Shimano JC40 Di2 External Frame Junction Box 4-Port
 

Shimano

JC40 Di2 External Frame Junction Box 4-Port (CY6760)

$50.99
  • This manufacturer currently prefers that we only sell this item in our retail store. Please visit us soon.
Shimano Di2 Frame Junction Box
  • Use Di2 system checker to update component firmware from http://e-tubeproject.shimano.com/
  • Frame Junction Box connects via SD50 E-tube wires to four different points: front derailleur, rear derailleur, cockpit junction box and battery mount
  • All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions
  • Mounts underneath the bottom bracket shell