It's a junction box
"Great price and good delivery. Did what it supposed to do"
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Shimano Non-Series Di2
Shimano Non-Series Di2 EW-JC304 SD300 4 port junction
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- EW-JC304 E-tube cable junction for internal EW-SD300 wire routing
- The 4 port Junction is required for connection of several componnts into the system with EW-SD300 wires
- To be positioned neatly inside frame tubing when connected
- Cables sold separately
- Reliable and secure water resistant connectors
- Brand
- Shimano Non-Series Di2
- Category
- E-Bike Cables
- SKU
- EWJC304
Free UK delivery
On orders over £50. Express next working day on items in stock at Biggin Hill.
Free click & collect
From Biggin Hill, usually ready in 1 hour.
60-day returns
On unused items in their original packaging.
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What riders say
Overall rating: 5.0 / 5 from 2 reviews.
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Reviews
Need to have for double
"Need to have for double wired STI shifter firmware upgrade. Good quality."
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Shimano Non-Series Di2 EW-JC304 SD300 4 port junction
£19.50RRP £27.99−30%
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