YMDK Dye Sub ZDA PBT Keycap Set for MX Keyboards - Durable PBT Legend

In this review the YMDK Dye Sub ZDA PBT Keycap Set is judged as a value-focused upgrade for mechanical keyboard owners who want thicker, durable keycaps and a distinct mid-height profile. It is best for users who own MX-compatible boards in common layouts and want dye-sublimated legends that will not fade; the biggest reason to buy is the combination of sturdy PBT material and long-lasting dye sublimation at a price that suits custom-keycap experiments. The set ships as keycaps plus a wire puller only, so buyers should be aware no keyboard is included.

Key Features

• Full keycap set included: Comes with a full set of keycaps and a wire puller so users can swap caps on 61, 64, 68, 75, 84, 87, 96 or 104 layout MX boards.
• ZDA profile shape: The ball-shaped ZDA profile sits lower than SA but higher than XDA, offering a unique hand feel that changes typing angle and key travel perception.
• Dye sublimation legends: Legends are dye-sublimated into the PBT surface, which resists wear and keeps characters legible through extended use.
• Thick PBT construction: Made from durable PBT at about 1.55mm thickness, the caps add solid sound and a more substantial keypress feel compared with thin ABS sets.
• Wide MX compatibility: Compatible with most MX-style switch keyboards using ANSI layouts and a 6.25u spacebar, so it fits many popular models without modification.

Who It's For

This set is aimed at mechanical keyboard enthusiasts who want a tactile and acoustic upgrade without buying a full custom board; people with ANSI MX-socket keyboards in the listed layouts will get the best match. The durable PBT and dye-sub legends suit heavy typists and hobbyists who value longevity and a tighter, less plasticky sound.

Users who prefer classic OEM or low-profile key shapes, or who need nonstandard bottom-row support for exotic keyboards, should look elsewhere. Also note the ZDA profile can take time to get used to for those moving from flat or very low profiles.

Pros & Cons

Pros

• Thicker PBT material gives a satisfying, muted typing sound and a sturdy feel.
• Dye-sublimated legends are long lasting and resist wear from heavy use.
• Good compatibility across many standard MX layouts, covering common boards and sizes.
• Included wire puller makes installation straightforward for first-time keycap changers.

Cons

• ZDA profile is polarizing; some users may need time to adapt to the mid-height, ball-shaped caps.
• Set is keycaps only; keyboard and pictured loading board are not included, which can confuse some buyers.

Specifications

Brand	YMDK
Material	PBT
Legend method	Dye sublimation
Profile	ZDA (ball-shaped, between SA and XDA)
Thickness	About 1.55mm
Compatibility	MX switch 61/64/68/75/84/87/96/104 ANSI layouts (6.25u spacebar)
Package	Full keycaps + wire puller (keyboard not included)

Our Verdict

The YMDK Dye Sub ZDA PBT Keycap Set is a practical, budget-friendly upgrade for MX keyboard owners who want thicker, durable PBT caps with long-lasting dye-sublimated legends and a distinctive ZDA profile. It delivers good acoustic improvement and solid value, though buyers should accept the mid-height profile and that only the caps and a puller are supplied.

Frequently Asked Questions

Will these fit my MX keyboard?
They fit most ANSI MX-socket keyboards in 61, 64, 68, 75, 84, 87, 96 and 104 layouts with a 6.25u spacebar.

Are the legends durable?
Yes, the legends are dye-sublimated into the PBT, which makes them highly resistant to wear and fading.

Does the package include a keyboard?
No, the package includes only the full keycap set and a wire puller; pictured keyboards or loading boards are not included.