Price history at Mike's Bikes
Recorded at Mike's Bikes since Oct 9, 2026: low $131.74 (Oct 9, 2026), high $154.99 (Oct 13, 2026). Last checked Oct 27, 2026.
From the store's product feed and AvantLink's price records; feeds can lag the store's own site.
Product Description
Shimano Di2 Junction Box
- 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/
- SM-EW90-B 5-Port Cockpit Junction Box connects up to 2 pairs of Di2 shifters to the frame junction box via 5 SD50 E-tube wires
- OEM front wiring kit for Dura-Ace Di2 9070
- LED battery charge level indicator
- Rear Derailleur adjustment mode
- Internal Battery charging port
- Includes Junction Box Band (CY9082) and Junction Box Hook (Mounting Plate, CY9081)
Shimano Di2 Cockpit Junction Box 5-Port
at Mike's Bikes
$154.99
In Stock
at Mike's Bikes
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