1Zpresso JX:
Espresso Grind Settings & Guide
The 1Zpresso JX is a manual conical burr grinder with 48mm burrs. It features stepped adjustment (~25µm per step) and is designed for both espresso and filter use. With low retention (~0.1g) and a single-dose-friendly design, it's a popular choice from 1Zpresso.
At a glance
1Zpresso JX specs
Burr Type
Conical 48mm
Adjustment
Stepped
Step Size
~25µm per step
Retention
Low (~0.1g)
Single Dose Friendly
Yes
Espresso Capable
Yes
Primary Use
Espresso & Filter
Power
Manual (hand-powered)
Espresso starting range
Where to start for espresso
10–25 clicks from the tightest position
clicks on the adjustment ring (each click ≈ 25 microns — bigger jumps than JX Pro)
Starting point only — adjust based on your beans, roast level, dose, and target yield.
Quirks & tips
Coarser adjustment than JX Pro — each click is a larger change
Detailed notes
~25 microns per click. Less precise than JX Pro for espresso but still capable. Low retention. Espresso and filter capable.
Dialing in with the 1Zpresso JX? Grindset speaks your grinder's language.
Tell Grindset which grinder you use and it gives you adjustment advice in 1Zpresso-specific terms — exact steps, not generic "grind finer" advice.
Try Grindset free1Zpresso JX
Manufacturer
1Zpresso
Burrs
Conical 48mm
Adjustment
Stepped
Retention
Low (~0.1g)
Primary Use
Espresso & Filter