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White metal extension arm for Ergotron LX Pro mount

Ergotron

Ergotron LX Pro Extension Kit White

SKU CH-A2H2-6X37X

Extends the reach of an Ergotron LX Pro articulating arm for greater positioning flexibility

  • Extends monitor reach for flexible positioning
  • Clean white finish matches modern desk aesthetics
  • Official Ergotron accessory ensures precise fit
  • Supports LX Pro arm configurations reliably
  • Listed by manufacturer February 13 2026

Extension Kit for LX Pro Arm

This white extension kit lengthens the reach of an Ergotron LX Pro articulating arm. It is intended for users who need the monitor or display to sit further from the mounting surface than the standard arm allows. The accessory integrates directly with the existing LX Pro structure.

Build and Mounting Implications

The kit attaches between the arm segments using the same mounting pattern as the LX Pro series. Its white finish matches the arm colour so the installation looks uniform. Adding the extension increases the overall leverage on the desk clamp or wall mount, so the mounting surface must be secure enough for the extra moment.

Upgrade Context and Limits

This accessory replaces the standard fixed-length configuration when the stock arm falls short of the desired screen position. It is not a stand-alone mount and cannot be used without an LX Pro arm. Buyers who need a complete mounting solution or a different arm system should look elsewhere.

How it compares

Measured against everything we stock in Stand Legs & Mounting Hardware, at today’s prices. Recalculated every night.

Price $42.99
Cheaper than about 69% of the 957 comparable items (median $95.99).

Specifications

Product
Brand nameERGOTRON

Questions about this item

What interface does the Ergotron LX Pro Extension Kit use to connect to the arm?

The kit attaches directly to the articulating arm's existing mounting points to extend its reach.

What physical space is required to mount this extension kit?

It mounts inline with the current arm assembly, so no additional desk or wall clearance beyond the arm's existing footprint is needed.

How is the Ergotron LX Pro Extension Kit installed, and what step is often missed?

Loosen the arm's pivot hardware, insert the extension between the arm sections, then re-tighten all bolts to the specified torque so the joint does not slip.

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