The Colorado Cyclist

800 688-8600

Dura-Ace Di2 Junction-A Box 3 Port

$119.99

Item currently out of stock. Please call 800 688-8600 to backorder.
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Shimano has simplified and improved the front junction box (junction A) for 9070 Dura Ace Di2. The new 9070 unit utilizes a rubber strap that cleanly and aerodynamically fastens underneath the stem. The 3-port 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 Dura Ace Di2 Junction-A Box

  • 3-port junction box
  • E-tube compatible
  • Battery charging port for use with Shimano ISMBCR2 charger
  • Shimano part# ISMEW90A


  • Item Code: MTL-SSB-P3

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Dura-Ace
 
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