Shimano Di2 Junction-A Box 5-Port

$139.99

$119.99

Model: Dura-Ace
Dura-Ace
Configuration
3 Port5 Port

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