The Shimano SM-EW90-A Junction Box is an essential component for your electronic Shimano Di2 shifting system. This 3-port junction unit provides a practical and aesthetic solution for mounting beneath the stem. It serves as the central hub for connecting the E-TUBE wires from the Di2 shifters to the rest of your bicycle.

With integrated features such as a battery level indicator and a charging port, this junction unit improves not only the functionality but also the user-friendliness of your Di2 system. The gear adjustment lever also enables easy adjustment while riding.

Product details:

• Model number: SM-EW90-A
• Groupset: Compatible with DURA-ACE 9070, R9150, Ultegra Di2 R8050, 6770, 6870, XTR Di2 M9050, XT Di2 M8050
• Position: Mounting beneath the stem
• Number of ports: 3-port for easy connectivity
• Compatible power cables: EW-SD50
• Firmware update: Possible with E-TUBE PROJECT
• Weight: Approx. 10 g

Features:

• Integrated battery level indicator and charging port
• Easy operation with a gear adjustment lever
• Robust construction for lasting reliability
• Supports diagnostics and settings via the E-TUBE platform

Scope of delivery:

• 1 x Shimano SM-EW90-A Di2 Junction Box 3-Port
• (Item is delivered in workshop packaging)

Manufacturer's part no.: ISMEW90A | EAN: 4524667725558 | UPC: 689228725553