SM-JC40 Di2 External Frame Junction Box 4-Port
US$14.80
Price when purchased online
Free shipping
Free 30-day returns
Sold and shipped by niranjanavhadfoundation.org
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US$14.80
Price when purchased online
Free shipping
Free 30-day returns
Sold and shipped by niranjanavhadfoundation.org
Free 30-day returns Details
Product details
| Management number | 236143089 | Release Date | 2026/07/09 | List Price | US$14.80 | Model Number | 236143089 | ||
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| Category | |||||||||
Shimano Di2 Frame Junction Box
- 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 http://e-tubeproject.shimano.com/
- Mounts underneath the bottom bracket shell
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