# Shimano EW90-B Di2 Cockpit Junction Box 5-Port/ not for Flight Deck

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/

## Details

- **Price:** 155.0 USD
- **Vendor:** Gio's Outdoors
- **Type:** Junction Box
- **Tags:** Gio's Outdoors, Shopify Collective

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 155.00 USD | In stock |

## Images

- Shimano EW90-B Di2 Cockpit Junction Box 5-Port/ not for Flight Deck

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> Source: [Smart supply deals](https://smartsupplydeals.com/products/shimano-ew90-b-di2-cockpit-junction-box-5-port-not-for-flight-deck)
> Updated: 2026-07-22