Shimano Di2 Junction-A Box 3-Port

$119.99

$99.99

Model: Dura-Ace
Dura-Ace
Configuration

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

  • 3-port junction box
  • E-tube compatible
  • Battery charging port for use with Shimano ISMBCR2 charger
  • Shimano part# ISMEW90A
Model Number
ISMEW90A
Item Code
MTL-SSB-P3
Shimano Di2 Junction-A Box 3-Port

Colorado Cyclist Loyalty Rewards Program


How It Works


Place an order of $100 or more,
and receive loyalty credits
on qualifying items.

What Items Qualify?


Most regular and some sale items
earn you loyalty credits.


Where To Look



Look for the red message on
each item page.

Some items only show rewards
when they have been added to your cart.

Redeeming Rewards


Simply enter your gift certificate
at the time of your next order.

Rewards are not transferrable,
or redeemable for cash or gift certificates.

Rewards will be adjusted on,
returns and to reflect any unearned value.

×