Full Specifications
| Switch Type | Linear |
| Stem Material | Black POM |
| Housing Material | Milky + Black CJ blend |
| Spring Type | Single-stage |
| Factory Lubed | Light factory lube |
| PCB Compatibility | 5-pin (PCB Mount) |
| Actuation Force | 50g |
| Bottom-Out Force | 65g |
| Pre-Travel | 2mm |
| Total Travel | 4mm |
| Sound Profile | Smooth Medium Thock |
| Price | $3.00 per 10 switches |
Editorial Review
Gateron's CJ Jelly series takes an interesting approach to the housing question. Rather than choosing between Milky Nylon (warm, muted sound) or standard Nylon (brighter), the CJ housing uses a proprietary blend that falls between the two. The result is a switch with a smooth, medium-pitched thock that is accessible for beginners while offering genuine quality that experienced builders appreciate.
The Jelly Black specifically uses a black POM stem for 50g actuation — positioned above the ultra-light Yellow family but below heavier switches like Creams or Hyperglide Blacks. This weight hits a practical sweet spot for users who find 35g too light and 62g+ too heavy. The POM stem travels smoothly through the CJ housing, and the light factory lube application helps the stock experience without making additional lubing unnecessary.
Sound profile is a smooth medium thock that leans toward the Milky Nylon character without fully committing to the deep, muted sound of a true Milky switch. There is enough brightness to feel responsive and enough body to feel substantial. In most boards, Jelly Blacks produce a sound that is pleasant without being remarkable — which is exactly appropriate for a versatile daily driver switch.
The CJ housing also exhibits less stem wobble than standard Gateron switches, contributing to a tighter, more consistent sound. This improved tolerance is part of what separates the Jelly series from Gateron's more basic offerings. The switch feels more premium than its $3.00 per ten price suggests.
For builders on a strict budget who want a complete package — factory lubed, decent tolerances, medium weight, and pleasant sound — Jelly Blacks are a strong candidate. They compete directly with the Gateron Melodic and beat the standard Yellow in terms of out-of-box experience for most users. Additional lubing transforms them into competitive switches that embarrass many more expensive alternatives.
Best Keyboards For These Switches
Keychron Q1
Gasket aluminum board where Jelly Black medium thock sounds well-tuned.
GMMK Pro
Popular gasket board where Jelly Blacks perform above their price point.
KBD67 Lite
Budget polycarbonate board where the CJ housing blend adds warmth to the sound.
Similar Switches
Where This Switch Fits
At 50g actuation with a Black POM stem in a Milky+Black CJ blend housing and light factory lube, the Gateron CJ Jelly Black sits between the ultra-light Gateron Yellow (35g) and the heavier Durock L7/Yellow Jacket cluster (62g) — a genuine middle-weight option in Gateron's own linear lineup. The CJ housing blend is a distinct material from the standard Nylon used in the Yellow and Yellow Pro, contributing to its "Smooth Medium Thock" sound profile.
At $3.00 per 10, it's priced identically to the Kailh Box White and Gateron Yellow Pro, undercutting the similarly-lubed Naevy ($3.50) despite sharing that switch's factory-lube convenience. For buyers comparing Gateron's own lineup specifically, the Jelly Black's mid-weight actuation and light factory lube make it a reasonable default pick when the ultra-light Yellow feels too twitchy but the heavier POM options (Oil King, Durock L7) feel like more spring than needed.