Ergotron 45-489-026 – LX Desk Dual Direct Arm, Polished Aluminum
Overview
The Ergotron 45-489-026 LX Desk Dual Direct Arm is a polished aluminum desk-mounted monitor arm designed to support two displays in a compact side-by-side configuration. It provides 13 inches of vertical adjustment and supports 2–11 lb per monitor, with a 4–22 lb total display capacity. The low-profile dual bow moves both monitors together while allowing each display to tilt independently.
Technical Information
The LX Desk Dual Direct Arm uses Ergotron Constant Force technology for smooth display positioning. It provides up to 13 inches of vertical adjustment, 24.3 inches of horizontal extension, 360° pan, and 360° monitor rotation. Each monitor has independent tilt adjustment of 13° backward and 17° forward. The available height adjustment can be reduced when the combined monitor weight exceeds 17 lb.
Compatibility
The arm supports two displays using VESA FDMI MIS-D 75 × 75 mm or 100 × 100 mm mounting patterns. The supplied desk clamp attaches to worksurfaces approximately 0.4–2.4 inches thick. An optional 98-034 Grommet Mount can be used for compatible through-desk installations. Displays deeper than approximately 3 inches may reduce the available load capacity.
Key Features
- Supports two monitors with 2–11 lb capacity per display
- Provides 13 inches of vertical height adjustment
- Offers up to 24.3 inches of horizontal extension
- Provides independent monitor tilt with 360° pan and rotation
- Includes desk clamp, dual bow, two monitor pivots and mounting hardware
Applications
The LX Desk Dual Direct Arm is suitable for office workstations, engineering desks, professional computing environments, trading and monitoring stations, and other two-display installations where desktop space and ergonomic positioning are priorities.
DC Supplies Product Note
This listing applies specifically to Ergotron MPN 45-489-026, the polished aluminum LX Desk Dual Direct Arm. It should not be substituted with 45-489-216 white or 45-489-224 matte black variants. The optional 98-034 Grommet Mount and 98-037-062 Dual Direct Handle Kit are separate accessories.
Specifications
| Brand | Ergotron |
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| Manufacturer Part Number | 45-489-026 |
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| Product Type | Dual Monitor Desk Arm |
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| Product Series | LX |
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| Product Name | LX Desk Dual Direct Arm |
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| Finish | Polished Aluminum |
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| Number of Monitors | 2 |
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| Typical Maximum Display Size | Up to 25 inches |
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| Capacity per Monitor | 2–11 lb (0.9–5 kg) |
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| Total Display Capacity | 4–22 lb (1.8–9.9 kg) |
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| Vertical Lift | 13 in (33 cm) |
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| Maximum Extension | 24.3 in (61.7 cm) |
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| Tilt | 13° backward / 17° forward |
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| Pan | 360° |
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| Monitor Rotation | 360° |
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| VESA Mounting | 75 × 75 mm / 100 × 100 mm, MIS-D |
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| Desk Clamp Range | 0.4–2.4 in (10–60 mm) |
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| Grommet Mount | Optional 98-034 |
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| Product Weight | Approx. 5.0 kg (11 lb) |
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| Shipping Weight | 15.5 lb (6.6 kg) |
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| Shipping Dimensions | 32.8 × 13 × 7 in (83 × 33 × 18 cm) |
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| Warranty | 10 years |
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Specifications are based on exact-model Ergotron documentation and supporting distributor data. The manufacturer documentation specifies the 13° backward / 17° forward tilt range, 4–22 lb total capacity, 13-inch lift and 24.3-inch extension.
FAQs
What is Ergotron 45-489-026?
It is the LX Desk Dual Direct Arm in polished aluminum, designed to mount and position two monitors from a desk.
How many monitors can the 45-489-026 support?
The arm supports two monitors in a side-by-side configuration. Each display can weigh 2–11 lb, with a combined display capacity of 4–22 lb.
What monitor size is supported?
Ergotron specifies a typical maximum display size of 25 inches. Some displays up to approximately 27 inches may fit depending on display width and thickness, but the 25-inch value is used here as the manufacturer-aligned specification.
How much vertical adjustment does it provide?
The LX Desk Dual Direct Arm provides up to 13 inches (33 cm) of vertical adjustment when the combined monitor weight is below 17 lb. With heavier combined loads, the available vertical range may be reduced.
What VESA patterns are supported?
The monitor pivots support VESA MIS-D 75 × 75 mm and 100 × 100 mm mounting patterns.
Does the arm include a grommet mount?
No. The standard configuration includes a desk clamp. The 98-034 Grommet Mount is available separately for compatible through-desk mounting.
Can each monitor be tilted independently?
Yes. Each monitor pivot provides independent tilt adjustment of 13° backward and 17° forward. The monitors also support 360° rotation for portrait or landscape orientation.
What warranty is provided?
Ergotron specifies a 10-year warranty for the LX Desk Dual Direct Arm.
