JC41 Di2 Internal Frame Junction Box 4-Port
request a price match
3 available in-store, 89 available online
Leaves Next Sat.
Made exclusively for Ultegra 6770-Di2 electronic shifting systems. The junction box is what ties the whole system together.
- Each bike will need cockpit area cable SM-EW67 and the following from the junction box: (1) to front derailleur, (1) to battery, (1) to rear derailleur, and (1) to cockpit area. (Please consult Shimano.com for proper measuring information)
- 4 connector junction box for internal cable frames.
- Because some frame manufacturers use custom junction boxes for their frames please consult with them before installation.
- 7970-Di2 and 6770-Di2 cables are not compatible
Have Experience With This?
log-in to receive an emailed response
Tree Fort ID: 333222381601