KTT Lightning V2 Linear
The KTT Lightning V2 is a short-travel 43g speed linear with a partial-box POM stem, 22mm gold-plated spring and factory lube — built for fast actuation.
How it feels
Feel ratings not yet recorded for this switch.
How it sounds
medium-clackyFull review
Quick Summary
The KTT Lightning V2 is a short-travel speed linear aimed at gamers and fast typists who want early actuation without paying boutique prices. A 1.0mm pre-travel and 3.0mm total throw make it actuate almost the instant you press, and the partial-box stem plus factory lube keep things smooth. If you specifically want a fast, short switch on a budget, it’s a strong pick; if you like a long, deliberate 4mm stroke, this isn’t it.
Specs and Feel
This is a true linear, but the geometry is the story: 1.0mm pre-travel and just 3.0mm total travel make the Lightning V2 register almost instantly and bottom out quickly. Combined with a 43g actuation and 50g bottom-out on a long 22mm gold-plated spring, the press feels light and brisk with a quick, springy reset that suits rapid key sequences. The partial-box POM stem adds a bit of guidance to the stem, helping keep wobble in check.
The polycarbonate top over a nylon bottom housing gives the switch a medium-clacky note rather than a deep thock, and the short travel makes each press sound a touch sharper and quicker. Factory lube keeps scratch well-suppressed from the first keystroke, so smoothness is good for the class. The main trade-off is inherent to speed switches: the shallow travel leaves little margin before bottom-out, so heavy-handed typists will hit the floor often.
Tuning
There’s little to do here — the Lightning V2 ships factory-lubed and tidy. If you chase the last few percent, a light touch of lube on the springs can quiet any ping from the long 22mm coil, and films will firm up the partial-box stem further. For most builds, leave it stock and spend tuning effort on case and plate foam.
Verdict
Buy the KTT Lightning V2 if you want an inexpensive short-travel speed linear with fast actuation and clean factory lube — a budget alternative to pricier speed switches. Skip it if you prefer a full-length 4mm throw or a heavier press; KTT’s own Wheat Sun (42g, 4mm) gives a more conventional linear feel if the short travel doesn’t suit you.
Frequently asked
What makes the KTT Lightning V2 a speed switch?
Its very short 1.0mm pre-travel and 3.0mm total travel. The keypress actuates almost immediately and resets quickly, which is the appeal for gaming and fast typing.
Is the KTT Lightning V2 factory lubed?
Yes. It ships pre-lubed on a 22mm gold-plated spring, so it feels smooth out of the bag with little reason to open it up for a budget build.
How heavy is the Lightning V2?
It's medium-light, actuating around 43g with a 50g bottom-out — light enough for speed but with enough ramp to give the short stroke a defined floor.
Compare KTT Lightning V2 Linear against another switch
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