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Ergotron LX Sit-Stand Wall Mount Keyboard Arm Mounting Kit 45-354-026

Ergotron LX Sit-Stand Wall Mount Keyboard Arm Mounting Kit 45-354-026 effortlessly position a keyboard to your most comfortable typing position, while seated or standing.

The LX provides a really stable platform for a keyboard and mouse tested to become 3x more rigid than many other keyboard arms! The tray’s side to side adjustment mechanism allows the surface to become parallel, no matter in which the keyboard is positioned, while its fore aft back tilt angle keeps hands and wrists in a suitable, ergonomic position.


  • 20 inch (51 cm) height range allows users to move between sitting and standing positions during data entry
  • Extends keyboard up to 42" (107 cm) fold the keyboard back out of the way if not being used
  • Ergonomic back tilt keyboard tray ensures wrists remain in a neutral position during data entry avoid repetitive stress injuries while increasing comfort and productivity
  • Mouse tray slides out to left or right, dependent on user preference
  • Patented CF motion technology provides premium ease of use adjustment
  • Cable management feature routes cables under the arm, out of the way
  • Ideal for space constrained spaces folds to within 5.8" (15 cm) of wall in storage position
  • Secure installation locking connections between arm, extension and base
  • Passes Ergotron’s 10,000 cycle motion test, which ensures several many years of trouble free height adjustment


  • Part Number: 45-354-026
  • Description: LX Sit-Stand Wall Mount Keyboard Arm (polished aluminum)
  • Includes LX sit-stand arm, extension, wall mount base, keyboard tray, slide out mouse tray, wrist rest, mouse holder
  • Arm can be used with or without having the extension
  • Quality Tested: 10,000-cycle test applied to lift mechanism, ensuring years of trouble free height adjustment
  • When in down position, tray features a back tilt of 5° folds upright 90° in storage position
  • Rotation Stop on wall mount base limits turn of extension base link with 180°, preventing extension from contacting wall
  • Mounting Options: Attaches straight to sturdy vertical surfaces. Where applicable, install to wood stud. Also attaches to Wall Plate, or to Wall Track using bracket 97-091 (order separately)
  • Fasteners for direct attachment to wood/metal studs or concrete surface are not included customer supplied
  • Base includes theft deterrent anchor holes for cable locks
  • Keyboard tray dimensions = 18.3" x 8.9" (46 x 23 cm), mouse tray dimensions = 8" x 8" (20 x 20 cm)
  • Mouse tray slides out to either left or right side, dependent on user preference

NOTE: Computer systems attached to this product might need extra long USB, power or video cables in order to span between standing and sitting heights

  • Product Weight: 14.4 lbs (6.5 kg)
  • Shipping Dimensions: 22.4" x 13.7" x 7.8" (57 x 35 x 20 cm)
  • Shipping Weight: 17.1 lbs (7.8 kg)
  • Warranty: Ten (10) years
≤ 5 lbs
2.2 kg
51 cm


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