Shimano Junction Di2 (A) SM-EW90-B

Shimano Junction Di2 (A) SM-EW90-B

Regular price€120,00

Tax included.

Size chart
  • Low stock - 1 item left
  • Inventory on the way

With our online store only opened since the 17th October 2022 we want to make sure that we can offer the best possible customer service, for the first 3 months from the launch we have limited the delivery of bikes to only surrounding counties, with parts and accessories shipped throughout the Republic of Ireland.

Delivery charge on ALL bikes is €20.

List of Eircodes we deliver to:

D01 - D24, D6W,

K32, K34, K36, K45, K56, K67, K78.

A41, A42, A45, A84, A85, A86, A92, A94, A96.

W23, C15

Delivery time on Bikes is currently between 7-14 days. We hope to reduce this time to 3-5 days in the coming months.

Shipping of parts and accessories available throughout the Republic of Ireland with a delivery time of 1-2 days excluding weekends.

Delivery charge on Parts and Accessories is €5.95.

We are currently not shipping outside of the Republic of Ireland.

We will be shipping bikes throughout the Republic of Ireland from 1st March 2023.

With parts and accessories worldwide by 1st March 2023.


This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.


SHIMANO's SM-EW90-B 5-port Junction A mounts neatly to the bike stem and connects with E-TUBE wires from DI2 shifters, accessory shifters, and the downtube junction wire. The SM-EW90 junction box features an integrated battery level indicator, charging port, and gear index setup switch.
Average weight 13
Type External type
Position Under stem
Compatible system E-TUBE
Compatible electric wire EW-SD50
Firmware update by E-TUBE PROJECT
SD50 port (pcs) 5
SD300 port (pcs) 0
SD50 connector (pcs) 0
SD300 connector (pcs) 0
Connector for remote sprinter shifter (QTY) 0
Port for remote sprinter shifter (QTY) 0
Charging port (pcs) 1
Function|Gear position
Function|DI2 Battery level
Function|Adjust mode display
Function|E-TUBE connection


Recently viewed