Description
Shimano SM-JC41 Di2 Internal Frame Junction Box 4-Port. Shimano Di2 Frame Junction BoxFrame 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
Use Di2 system checker to update component firmware from http://e-tubeproject.shimano.com/
Shipping & Delivery
Expected Ship Date: Wed Jan 15
This item is in stock and ships within 1 business day. Delivery times & carrier options are available at checkout.
This item is in stock and ships within 1 business day. Delivery times & carrier options are available at checkout.