X1 Pro Gen 4 - X12 Controller Replacement Guide
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X1 Pro Gen 4: X12 Controller Replacement Guide


X1 Pro Gen 4: X12 Controller Replacement GuideOverviewTools NeededStep 1: Preparation Step 2: Disconnect the Connectors Step 3: Remove the ControllerStep 4: Install the New ControllerStep 5: Reassemble Everything


Overview

Use this guide to safely replace the X12 controller.


Tools Needed

  • Hex wrenches
  • Clean cloth


Step 1: Preparation

  1. Recommended: Remove the motor from the frame for easier access.
  2. Optional: Leave the motor mounted, but work with care.


Step 2: Disconnect the Connectors

  1. Unscrew the chainring bolts.
    • Use heat if the bolts are tight.
  2. Note the order of washers and spacers for reassembly.


Step 3: Remove the Controller

  1. Unscrew the 4 bolts securing the controller.
  2. Gently slide the controller out.


Step 4: Install the New Controller

  1. Plug in all connectors carefully.
  2. Slide the controller into position.
  3. Secure it with the 4 bolts.


Step 5: Reassemble Everything

  1. Reassemble all components.
  2. Mount the motor back to the frame.
  3. Ensure all cables are safely routed and not pinched.



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