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

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

Gio's Outdoors

$155.00

Only 5 left in stock!

Free shippingOn orders over $75
Secure checkoutAll major cards accepted
Trail-tested essentialsGear our team actually uses

Size guide

Not sure which size to pick? Compare your measurements to our fit guide below, or reach out to our team and we'll help you find the right fit.

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/

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