Shimano EW-RS910 E-TUBE Junction A - Built-in type for frame or handlebar

• Designed for use as a bar-end on drop handlebars or with designated frames.
• The RS910 junction is a 2-port option for internal E-TUBE wire routing, charging, battery monitoring, and shift mode switching.

SHIMANO EW90-A 3-port E-TUBE 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.

SHIMANO EW90-B 5-port E-TUBE 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.