Product Description

The backrest upright adjustment knob controls the vertical height position of your backrest. Loosen it, slide your backrest to the height that matches your lumbar curve, then tighten to lock it in place.

Best For

Replacing a lost, stripped, or damaged knob, or keeping a spare on hand for touring.

Key Features

  • Simple Hand Installation — unscrew the old knob, thread on the new one, hand-tighten
  • Durable Polymer Construction — built to hold up to daily adjustments
  • Genuine OEM Part — fits Stealth and ErgoLab chairs with adjustable backrest height

Specifications

Function Backrest Height Lock
Material High-Grade Polymer
Color Midnight Black
Thread Size Standard Stealth/ErgoLab

Tip: Hand-tighten only. Over-tightening can strip the threads or crack the knob.

What's Included

  • One (1) Backrest Upright Adjustment Knob
  • Compatible with all Stealth & ErgoLab chairs

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