Haimu Heartbeat 55g

It's a true silent linear, so the bottom-out and upstroke are dampened rather than padded into total silence. You'll still get a soft, muted thock, but it's dramatically quieter than a standard linear and well suited to shared rooms or late-night typing.

No. The POM-on-nylon combination runs smooth stock and the silencing dampeners make hand-lubing fiddly. Most builders leave these alone; a light factory tune is plenty.

The 55g actuation lands in the medium range — heavier than a 45g daily driver but far from fatiguing. It's a comfortable middle weight that resists accidental presses without slowing down fast typists.