K
LINEAR · 42g
linear clacky Keygeek

Keygeek Cera X

My review of the Keygeek Cera X, a ceramic-infused POM linear on new molds tuned for a high-pitched, crisp, clacky and loud sound. Specs and tuning.

4.0/5
4.0 4.0 · our rating
42g
Actuation
2mm pre-travel
3.7mm
Travel
total key travel
5.0/5
Smoothness
our feel rating
4/5
Noise level
clacky

How it feels

Smoothness silky → scratchy 10.0

How it sounds

clacky
Profile clacky
Noise level 4/5
Spring ping None

Full review

Quick Summary

The Keygeek Cera X is the loud, clacky cousin of the standard Cera — same ceramic-infused POM concept, but on new molds tuned for a high-pitched, crisp and sharp sound. It stays smooth thanks to the ceramic-POM materials while pushing the bottom-out toward a bright, attention-grabbing clack. If you want a light linear that sounds lively rather than muted, this is the one to grab.

Specs and Feel

Pre-travel is 2.0mm and total travel 3.7mm. The 37g version uses a 22mm spring and bottoms out at 42g; the 42g version uses a 20mm spring and bottoms out at 48g — both light and fast. The stack is an L4+ top housing, an X2 bottom made from POM and ceramic powder, and an L4 ceramic-infused POM stem. That ceramic content firms up the materials, which is exactly why the sound comes out crisp and high-pitched: harder plastics ring brighter and clack louder than soft nylon. The trade-off is loudness, but smoothness does not suffer — the ceramic-POM glides cleanly. Designed by Gearpod, it is factory lubed and PCB-mount.

Tuning

These are good to go stock — they arrive lubed and the appeal is the crisp, loud signature that the ceramic housing produces, so heavy lube would only dull what makes the Cera X interesting. If the volume is too much, foam or a softer mounting style tames it more effectively than lube. A light spring lube clears any ping. Films are largely unnecessary; the bright sound is the point, and a film would push it more muted. Keep the tuning minimal to preserve the clack.

Verdict

Buy the Cera X if you want a smooth light linear with a genuinely loud, crisp, clacky sound — it stands out on a board built for acoustics. Skip it if you need a quiet keyboard or prefer a fuller, deeper tone; in that case the standard Keygeek Cera or the more balanced Azure Sky Blue suit better. Against another clacky budget option like the Keygeek M3, the Cera X brings the ceramic smoothness alongside the brightness, which gives it an edge in feel.

Frequently asked

How is the Cera X different from the regular Cera?

The Cera X uses brand-new molds and a ceramic-infused bottom housing tuned for a louder, crisper, clackier sound. The standard Cera is the cleaner, more balanced sibling; the X is the bright, loud one.

What weights are available?

A 37g version on a 22mm spring that bottoms out at 42g, and a 42g version on a 20mm spring that bottoms out at 48g. Both are light.

Is it good stock?

Yes. It ships lubed and the ceramic-POM materials are smooth out of the bag, so the crisp sound and glide are there immediately.

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