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Office Logix Shop  |  SKU: HM_A1-AISet

Arm Index Replacement Set of 2 for Herman Miller Aeron Classic (V1) Chairs by OLS

$25.00
Shipping calculated at checkout.


Warranty, Shipping, Cancellation, Return & Refund Policies

Your Arm Index Replacement Kit for Herman Miller Aeron Classic Chairs by OfficeLogixShop is covered by a 2-year warranty. Shipping is free within the contiguous USA, and international shipping is available at the best available rates. For more details, please review our full Cancellation, Return, and Refund Policies.

Installation and Customer Support

For installation, please watch the video below on this page or visit our Aeron arm index replacement tutorial page.

If you are having any issues with your Arm Index Replacement Set of 2 for Herman Miller Aeron Classic (V1) Chairs by OLS, please contact our customer service team to file a ticket. Please allow 24 to 48 business hours for the team to review and address your inquiry.

Wholesale & Bulk Replacement Parts
Need a reliable supply of Arm Index Replacement Set of 2 for Herman Miller Aeron Classic (V1) Chairs by OLS to scale your refurbishing business or manage your corporate fleet? We offer competitive volume pricing and tax-exempt purchasing for professionals who need high-quality components in bulk.

We provide free shipping within the contiguous United States and secure the best international freight rates to support your operations anywhere in the world.
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Description

Arm Index Replacement Kit for Herman Miller Aeron Classic Chairs by OfficeLogixShop

This product is designed and manufactured by OfficeLogixShop. It is not an OEM Herman Miller part. “Herman Miller” and “Aeron” are referenced solely to identify the compatible chair model. OfficeLogixShop is not affiliated with or endorsed by MillerKnoll, Inc.

Restore the precise pivoting action of your armrests with the OfficeLogixShop Aeron Arm Index Kit. If your armrests are loose, refusing to lock into angle, or wobbling excessively, the internal indexing mechanism is likely worn out. This upgraded kit not only restores the factory-fresh click and lock feel but is also engineered to fit all versions of the Aeron Classic arm.

Universal Fix: The only kit designed to repair both Thumbwheel and Flip-Lock arm styles!

Why Replace Your Arm Index?

The "index" is the internal component that allows your armpad to pivot left, right, or center and lock into place. When it breaks, the armpad spins freely or feels unstable. Our replacement part fixes this issue and is specifically optimized to reduce the inherent wobble found in older arm designs.

Key Features

Feature Benefit
Universal Compatibility Fits both the older "Thumbwheel" (wheel adjustment) and newer "Flip Knob" (lever adjustment) Classic arms.
Wobble Reduction Engineered to fit tighter than the original, significantly reducing armpad play on older models.
Durable Construction Made from high-strength industrial plastic to withstand daily adjustments and pressure.
Complete Repair Contains the specific indexing block needed to restore the 3-position lateral locking function.

What Is Included

This listing is for two (2) kits, which repair two armrests.

Compatibility

This kit is exclusively for the Herman Miller Aeron Classic (Sizes A, B, and C). It works with:

  • Thumbwheel Arms: The older style with a spinning wheel for height adjustment.
  • Flip Knob Arms: The newer style with a locking lever for height adjustment.

Get your armrests locking firmly again with the OfficeLogixShop Universal Arm Index Kit.

For a video guide on how to install this part on different arm types, please scroll down below.

Universal Installation Guide

How to Replace the Arm Index

A complete walkthrough for installing the kit on both Thumbwheel and Flip Knob arms.

Aeron Arm Index Replacement Tutorial

Product Highlights & Compatibility

1 Kit for All Classic Arms

Eliminate guesswork. This kit is engineered to seamlessly fit both the older "Thumbwheel" and newer "Flip Knob" Aeron Classic pivoting arms.

Fixes Armrest Wobble

Designed with tighter tolerances to significantly reduce play and make the arm feel much sturdier, especially on older models.

Repairs Both Arms

This listing includes two (2) kits, providing all the necessary parts to repair both armrests on your chair.

Optimized Design

Features a deliberate side protrusion to optimize technical performance and stability without affecting fitment or functionality.

Service & Support

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2-Year Warranty

We stand by our engineering. This kit is covered against defects and mechanical failure for 2 full years.

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Global & Domestic Shipping

Free shipping in the USA and the best international shipping rates available for global customers.

Local to Columbus, OH?

Having trouble identifying your arm type? Bring your chair to our Lewis Center showroom and we will help you out.

Get Directions

Frequently Asked Questions

Will this work on my specific Aeron Classic arm type?

Yes. Whether you have the older "Thumbwheel" style or the newer "Flip Knob" style, this kit is universally compatible with all Aeron Classic pivoting arms.

Why does the part have a small protrusion on the side?

This is a deliberate design feature that optimizes technical performance and stability. It does not affect fitment or functionality, so you can install it exactly as is.

Will this fix the wobble in my armrests?

Yes. Our kit is specifically designed with tighter tolerances to significantly reduce this play, especially on the older models, making the arm feel much sturdier.

Do I need to buy 2 kits?

No. This listing includes two (2) kits, providing all the necessary parts to repair both armrests on your chair.