Shimano Di2 Junction-A Box 5-Port

This product is currently out of stock but should be available again soon.

contact us for more info.

Description

Shimano has simplified and improved the front junction box (junction A) for Di2. The new Di2 unit utilizes a rubber strap that cleanly and aerodynamically fastens underneath the stem. The junction box has a charging port that makes it possible to charge both internal and external batteries without having to remove them from the bike.

Features of Di2 Junction-A Box

  • 5-port junction box
  • E-tube compatible
  • Battery charging port for use with Shimano ISMBCR2 charger
  • Shimano part# ISMEW90B
Model Number
ISMEW90B
Item Code
MTL-SSB-P5
Shimano Di2 Junction-A Box 5-Port