





🔗 Power your ride with the ultimate Di2 command center!
The Shimano EW90-B Di2 Cockpit Junction Box is a compact, 5-port hub that connects your Di2 brake/shift levers and bar end shifters to front and rear derailleurs. It enables on-bike battery charging and system updates, ensuring your electronic drivetrain stays fully powered and up-to-date. Lightweight and easy to install, it’s an essential component for any serious Di2-equipped cyclist.
| Item Package Dimensions L x W x H | 5 x 2.3 x 1.5 inches |
| Package Weight | 0.1 Pounds |
| Item Dimensions LxWxH | 2 x 5 x 2 inches |
| Item Weight | 0.1 Pounds |
| Brand Name | SHIMANO |
| Warranty Description | Limited Warranty |
| Model Name | ISMEW90B |
| Color | No Color |
| Material | Plastic |
| Suggested Users | unisex-adult |
| Number of Items | 1 |
| Manufacturer | Shimano |
| Part Number | ISMEW90B |
| Included Components | Junction Box |
| Size | 5 PORT |
| Sport Type | Cycling |
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