SHIMANO SM-EW90-A Dura-Ace DI2 Junction-A 3 Port

SHIMANO's SM-EW90-A 3-port Junction A mounts neatly to the bike stem and connects with E-TUBE wires from DI2 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-A
SERIES
DURA-ACE 9070 Series
Average weight
10 g
E-tube connector (QTY)
0
E-tube port (QTY)
3
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