How to find the right Keycaps AI guide
Written by an AI model from its trained knowledge.
What the AI looks for in Keycaps
- Stem compatibility
- Match the cap's stem to your switch: MX-style cross stem for Cherry MX and its clones (Gateron, Kailh Box, Akko and most hot-swap boards). Kailh Choc low-profile, Topre, Alps and many laptop-style or proprietary gaming boards each need their own caps. A wrong stem simply won't mount, and this is the most common reason keycaps get returned.
- Layout coverage
- Check that the set includes your keyboard's odd sizes: ANSI vs ISO enter, the bottom-row spacebar width (6.25u, 6u or 7u), a 1.75u right shift on 65% and 75% boards, and split or Alice spacebars if your board has them. Base kits often cover only a standard full-size ANSI layout, which leaves compact, ISO and ergonomic boards with mismatched or missing keys.
- Material
- PBT resists shine and texture loss. ABS shines with use but allows brighter colours and crisp doubleshot legends. Wall thickness matters as much as the plastic. Thin ABS caps develop a greasy shine within months and sound hollow.
- Legend process
- Doubleshot or dye-sublimated legends don't wear off. Pad-printed and laser-etched legends fade. Choose doubleshot shine-through if you need visible backlighting. How the legend is made decides whether the lettering survives years of typing and whether the backlight shows through.
- Profile and LED clearance
- Pick a profile you like (Cherry, OEM, SA, XDA, DSA, MT3, KSA and similar). On boards with north-facing LEDs, Cherry-profile caps can catch on certain switches, so check before you buy. Profile changes height, sculpting and feel more than any other choice, and tall profiles like SA and MT3 change typing posture.
Brands that matter
- GMK: German-made doubleshot ABS in Cherry profile, the enthusiast reference for colour and legend quality.
- Signature Plastics: US maker of SA and DSA profile sets, with thick doubleshot ABS and PBT.
- Drop: Sells MT3 profile and many collaboration sets, mostly doubleshot ABS.
- Akko: Wide range of affordable PBT sets in Cherry, OSA and ASA profiles with broad layout coverage.
- Keychron: Sells replacement PBT sets sized for its own boards, which helps with unusual layouts.
- ePBT: Dye-sublimated PBT sets in Cherry profile, with an extensive range of extra keys.
- Domikey: Doubleshot ABS sets in Cherry and SA profiles.
What to avoid
- Thin-walled ABS sets with pad-printed legends
- Buying MX-stem sets for low-profile Choc, Topre or proprietary-switch keyboards
- Sets with no info on bottom-row or right-shift sizes when your board isn't a full-size ANSI layout
- Opaque or dye-sublimated caps if you rely on backlit legends in the dark
Questions
Will these keycaps fit my keyboard?
Only if the stem type matches your switches and the set includes your layout's odd-sized keys, especially the spacebar, right shift and enter.
Do PBT caps work with RGB backlighting?
The light still shows around each key. Legends only light up on shine-through caps, which are usually doubleshot with a translucent layer.