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Hours: Mon-Fri 10-6, 
Sat 10-6, Sun 12-5
Liberty Bicycles
1378 Hendersonville Rd.

Asheville, NC 28803
828-274-2453

 
 
 
 
 
 
 
 
 
 
> Special 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)

$46.00
Shimano Di2 Frame Junction Box
  • Frame Junction Box connects via SD50 E-tube wires to four different points: front derailleur, rear deailleur, 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
  • Use Di2 system checker to update component firmware from http://e-tubeproject.shimano.com/
  • Mounts underneath the bottom bracket shell
 

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Liberty Bicycles | 1378 Hendersonville Rd. | Asheville, NC 28803 | (828) 274-2453