Shimano Junction Box SM-JC41

Shimano Di2 Internal Junction Box SM-JC41

Junction box for Shimano Di2 cable EW-SD50 with internal routing. Front/rear derailleur, cockpit area and battery are connected here. Only for use in compatible frames!

Note: Only compatible with Dura Ace 9070, Ultegra 6870 / 6770 Dura Ace 9070, Ultegra 6870/6770, XTR 9050, XT 8050, Alfine Di2 und Nexus Di2. Not compatible with Dura Ace 7970 Di2.
Included in delivery: 1x Shimano SM-JC41
Manufacturer item code: ISMJC41