Could this be clamped on a bar above my work space and used in a sort of upside down manner? There is no nearby wall or desk.

It has to be in it's upright position. The way it's build weight (from above) keeps it in place. If you try to mount it upside down it won't work.

What diameter does the pole/pipe/mount need to be to fit or work with this extension arm?

For this arm it is 1.38" (35mm). It is not compatible with the LX HD mount which has a 1.57" (40mm) pole

Will this work with the LX Dual Stacking Arm in order to have a longer arm at the top height?

The top arm is of fixed length and is non adjustable except for up-down tension. The extension allows the unit to expand the length from the wall bracket to the device. The device is raised in height by the height of the extension somewhere round six inches. Only two extensions can be used (raising height 12 inches aprox) and bracket on wall can be mounted lower or higher to set the device to be at the desired level. Excellent quality and durable product, mine is used with a laptop that folds away on the wall when not in use.

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Ergotron 45-289-026 LX Extension for LX Arm (Polished Aluminum)

Ergotron 45-289-026 LX Extension for LX Arm (Polished Aluminum)

Product ID: 295805558

Details

Movement Type
Articulating
Brand
Ergotron
Material
Metal
EU Spare Part Availability Duration
10 Years
Global Trade Identification Number

🔄Articulating movement for flexible positioning

⚙️Durable polished aluminum build

🖥️Supports 15-24 inch screens

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COP 1343550

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Description

🖥️ Elevate your setup—extend your reach, amplify your productivity!

PERFECT FIT - Compatible with 15 to 24-inch monitors and TVs for versatile setups.
BUILT TO LAST - Backed by 10 years of EU spare part availability for long-term peace of mind.
SLEEK STURDY - Polished aluminum ensures a premium look with rock-solid durability.
FLEXIBLE POSITIONING - Articulating mount extension lets you customize your viewing angle effortlessly.
EXTEND YOUR WORKSPACE - Seamlessly expand your LX arm reach for ultimate monitor placement.

The Ergotron 45-289-026 LX Extension is a polished aluminum mounting accessory designed to extend the reach of your LX arm. Compatible with 15 to 24-inch monitors and TVs, it offers articulating movement for flexible positioning. Weighing just 454 grams, this durable metal extension supports both wall and desk mounts and comes with a decade-long EU spare part availability, ensuring a reliable and stylish upgrade to your workspace.

Specifications

ASIN	B006PYHYXG
Brand	Ergotron
Brand Name	Ergotron
Colour	Silver
Compatible Devices	Monitor, Television
Customer Reviews	4.6 out of 5 stars 718 Reviews
EU Spare Part Availability Duration	10 Years
Enclosure Material	Metal
Global Trade Identification Number	00698833020052, 04054317514343
Item Part Number	45289026
Item Weight Unit of Measure	454 Grams
Manufacturer	Ergotron
Manufacturer Part Number	45-289-026
Material	Metal
Maximum-Supported Screen Size	24 Inches
Minimum-Supported Screen Size	15 Inches
Model Number	45-289-026
Mounting Type	Wall Mount, Desk Mount
Movement Type	Articulating
UPC	041219888911 808113032976 172304254882 168141501173 605900284484 088563274328 014444681244 872182835530 021112838558 115971586542 163121394202 680808324012 698833020052 795888254538 804067419818 132017813189

Reviews

M**U

6.04.2026

M**K

16.11.2022

L**9

17.07.2018

I**.

7.04.2023

Z**P

13.07.2023

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COP 1343550

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In stock

Sold byAmazon ColombiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Colombia.

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