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ERGOTRON エルゴトロン LX モニターアーム デスクマウント マットブラック 34インチ(3.2-11.3kg)まで VESA規格対応 45-241-224
￥15,470 ￥23,601 -34%

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Ergotron LX Buying Guide: Weight and Mounting Compatibility

This AI-assisted buying guide summarizes public product information. We have not used or performance-tested this product.

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A durable mechanical spring monitor arm supporting weights from 3.2-11.3kg, featuring a 10-year warranty and effortless adjustability [S1].

👍 Great for

Ideal for users with monitors weighing 3.2-11.3kg who prioritize long-term durability and stability [S1].

🤔 Not for you if

Not suitable for those using ultra-lightweight monitors under 3.2kg, as they fall outside the supported weight range [S1].

✓ Pros

  • • Mechanical spring design reduces degradation compared to gas springs [S1]
  • • High durability confirmed by 10,000-cycle testing [S1]
  • • Versatile movement with 33cm height adjustment and +70°/-5° tilt [S1]
  • • Flexible mounting options via clamp (10-60mm) or grommet (8-50mm) [S1]
  • • Long-term 10-year warranty [S1]

✗ Cons

  • • Not compatible with monitors weighing less than 3.2kg [S1]

Review

The Ergotron LX (45-241-224) is a single monitor arm utilizing a mechanical spring system powered by proprietary 'Constant Force technology' [S1]. Unlike gas-spring alternatives, this design is engineered for long-term durability, having passed a 10,000-cycle test to minimize degradation [S1]. 【Specifications & Installation】 It supports monitors weighing between 3.2kg and 11.3kg, with sizes ranging from 21.5 to 34 inches [S1]. It is compatible with VESA 75x75mm and 100x100mm standards [S1]. For mounting, it offers a clamp option for desk thicknesses of 10-60mm or a grommet mount for holes 8-50mm in diameter (up to 57mm thickness) [S1]. 【Adjustability】 The arm allows for effortless adjustment of position, angle, and height with a 33cm vertical range [S1]. It features a tilt range of +70° to -5°, side-to-side pan, and 360° rotation [S1]. Integrated cable management is included to keep wires hidden [S1].
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FAQ

Q. Which monitors are compatible? ▾

It supports VESA 100x100mm or 75x75mm standards, with weights between 3.2kg and 11.3kg and sizes from 21.5 to 34 inches [S1].

Q. How is it mounted to the desk? ▾

It can be installed using a clamp for desk thicknesses of 10-60mm or a grommet mount for holes 8-50mm in diameter [S1].

Q. What is the warranty period? ▾

It comes with a long-term 10-year warranty [S1].

Sources and buying checks

This AI-assisted buying guide summarizes public product information. We have not used or performance-tested this product.

Guide updated: 2026-09-06

Before buying in Japan, check the exact model’s manual/app language, local warranty, required accessories and installation or compatibility requirements. Unlisted capabilities are not confirmed.

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This AI-assisted buying guide summarizes public product information. We have not used or performance-tested this product.

￥15,470 View on Amazon →