Shimano SM-EW90-A Junction Box for Di2

Shimano Junction Box SM-EW90-A for Di2 - Central in cockpit area

The junction box Di2 SM-EW90-A by Shimano is a connection point for the cockpit area, also known as junction A. It has three E-Tube connectors, a charging connector and is mounted externally under the stem. Its software, which can be kept up to date via the E-Tube platform, determines data such as the current gear position or the battery charge level. The distributor is compatible with all Di2 shifting systems before Dura-Ace R9250 or Ultegra R8150, but not with Dura-Ace 7970 and Ultegra 6770.

Information regarding the return of batteries and electrical equipment:

Information on the return and disposal of batteries and electrical equipment can be found here.

Technical Information:

Type:

external / for standard handlebars

Mount:

under the stem (strap / clip)

Number of E-Tube Ports:

3

Number of E-Tube Connections:

0

Number of Sprinter Shifter Connections:

0

Number of Sprinter Shifter Ports:

0

Number of Charging Ports:

1

Compatible Cables:

E-Tube

Compatible Cables:

EW-SD50

Functions:

current gear, Di2 battery status, adjust mode display, E-Tube connection

Compatibility:

• Dura-Ace Di2 9070
• Dura-Ace Di2 R9150
• Ultegra Di2 6870
• Ultegra Di2 R8050
• GRX Di2 RX815
• XTR Di2 M9050*
• XT Di2 M8050*
• Alfine/Nexus Di2*

* instead of information display

Features:

• junction for the handlebar/cockpit area
• E-Tube project ensures firmware update

Manufacturer Number:

I-SMEW90A

Contents:

• 1 x Shimano Di2 SM-EW90-A junction box
• 2 x fastening band
• 1 x clips