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MYD-123

Herman Miller Classic Aeron base-to-cylinder trim bushing

Original price was: £9.99.Current price is: £9.49.

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For Herman Miller Classic Aeron chairs

A replacement trim bushing for the join between an Aeron chair’s base and its gas cylinder.

Will this fit?
Models & fit limits
The design is based on a trim bushing made for the Herman Miller Classic Aeron chair. We have not yet confirmed the fit on each model. The designer also offers a modified version for some newer replacement gas cylinders. This listing is for the version based on the original trim, so if your chair has a replacement cylinder, please check with us before ordering.
What arrives
One replacement base-to-cylinder trim bushing in black ASA. Trim only: the chair, gas cylinder and base are not included. It is a cosmetic trim part.
Check before ordering
Compare your original trim, or the join between the cylinder and the base, before ordering. If you are unsure, message us with your chair model and clear photos of the base and cylinder join, and of the cylinder itself if it has been replaced, so we can help identify what you need.
Full dimensions, fit and fitting notes ↓
Printed to order in Great Dunmow

We aim to dispatch within 1–2 working days.

£3.99 tracked UK delivery per order · usually 1–2 working days after dispatch.

Delivery details & returns

A little reassurance

14-day change-of-mind returns on standard parts. Return postage is paid by the buyer.

If a part arrives faulty or does not fit a model it is listed for, contact us for help, a replacement or a refund.

Read the full returns policy

This cosmetic trim bushing is printed to order in heat- and UV-resistant ASA. It sits where the gas cylinder meets the chair base, and is intended to replace an original trim that was damaged when the gas cylinder was replaced.

What you get

  • One replacement base-to-cylinder trim bushing in black ASA.
  • Trim only: the chair, gas cylinder and base are not included.
  • It is a cosmetic trim part.

Intended for

The design is based on a trim bushing made for the Herman Miller Classic Aeron chair. We have not yet confirmed the fit on each model.

The designer also offers a modified version for some newer replacement gas cylinders. This listing is for the version based on the original trim, so if your chair has a replacement cylinder, please check with us before ordering.

Check the fit

Compare your original trim, or the join between the cylinder and the base, before ordering. If you are unsure, message us with your chair model and clear photos of the base and cylinder join, and of the cylinder itself if it has been replaced, so we can help identify what you need.

Material & finish

Printed to order in our workshop in Great Dunmow, Essex. Black ASA, which is heat- and UV-resistant, is used for the trim. Fine layer lines are a normal part of the 3D-printed finish.

Made to order

Each trim bushing is printed after you order. See the delivery section for the current dispatch estimate and postage options.

About this replacement

This is an aftermarket replacement, not an original Herman Miller part. MAYDE is not affiliated with or endorsed by Herman Miller. Brand and model names are used only to identify the intended application.

Design credit

Based on the design "Herman Miller Classic Aeron chair trim bushing (base to cylinder transition)" by DmK on Printables, licensed CC BY 4.0. Printed and finished by MAYDE.

Image & fit status

The gallery contains illustrative product renders for this draft. Final product appearance, measurements and physical fit are awaiting confirmation before release. The images do not demonstrate a tested installation.

Questions about the part? Get in touch with MAYDE.

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