Early Access BFCM Sale! Get 10% Off Sitewide at Checkout | Offer Valid Thru 12/2

SKU: CY6760

Shimano SM-JC40 Di2 External Frame Junction Box 4-Port

Vendor Shimano
Regular price $40.31
Sale price $40.31 Regular price $57.95
Sale Sold out
Unit price
/per 
Free Shipping All Day, Every Day

Chat with Support for Expert Advice

Manufacturer Warranty

This is a pre order item. We will ship it when it comes in stock.
Specifications

MPNISMJC40
UPC689228827448

Shimano Di2 Frame Junction Box

  • Mounts underneath the bottom bracket shell
  • 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
  • Use Di2 system checker to update component firmware from https://e-tubeproject.shimano.com/
Description

Shimano Di2 Frame Junction Box

  • Mounts underneath the bottom bracket shell
  • 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
  • Use Di2 system checker to update component firmware from https://e-tubeproject.shimano.com/