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Shimano SM-JC41 Di2 Internal Frame Junction Box 4-Port
4.5 (75 items)
Limited Time SaleUntil the end
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US$22.80 cheaper than the new price!!
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Used US$15.20
Product details
| Management number | 236493853 | Release Date | 2026/07/09 | List Price | US$15.20 | Model Number | 236493853 | ||
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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/
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