Description
SHIMANO - Junction A - E-TUBE - Under Stem Mount - 5-Port
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.
Specifications
| MODEL NO | SM-EW90-B |
| SERIES | DURA-ACE 9070 Series |
| Average weight | 13 g |
| E-tube connector (QTY) | 0 |
| E-tube port (QTY) | 5 |
| Charging port (QTY) | 1 |
| Compatible electric wire | EW-SD50 |
| Compatible system | E-TUBE |
| Connector for remote sprinter shifter (QTY) | 0 |
| Firmware update by E-TUBE Project | ✔ |
| Function_Adjust mode display | ✔ |
| Function_DI2 Battery level | ✔ |
| Function_E-TUBE connection | ✔ |
| Function_Gear position | ✔ |
| Port for remote sprinter shifter (QTY) | 0 |
| Position | Under stem |
| Type | External type |
