1Zpresso JX Pro:
Espresso Grind Settings & Guide
The 1Zpresso JX Pro is a manual conical burr grinder with 48mm burrs. It features stepped adjustment (~12.5µm per step) and is designed primarily for espresso. With low retention (~0.1g) and a single-dose-friendly design, it's a popular choice from 1Zpresso.
At a glance
1Zpresso JX Pro specs
Burr Type
Conical 48mm
Adjustment
Stepped
Step Size
~12.5µm per step
Retention
Low (~0.1g)
Single Dose Friendly
Yes
Espresso Capable
Yes
Primary Use
Espresso
Power
Manual (hand-powered)
Espresso starting range
Where to start for espresso
30–60 clicks from the tightest (zero) position
clicks on the inner adjustment ring (each click ≈ 12.5 microns)
Starting point only — adjust based on your beans, roast level, dose, and target yield.
Quirks & tips
Good precision — 12.5 microns per click provides fine resolution for espresso
Effort increases significantly with light roasts at espresso fineness
Count clicks from closed (zero) position — track your setting
Detailed notes
High-precision manual conical. ~12.5 microns per click. Very accurate for dialing in espresso. Low retention. Single-dose. Espresso range: 30–60 clicks from zero. Physical effort required especially for light roasts at fine settings.
Dialing in with the 1Zpresso JX Pro? 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.
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Manufacturer
1Zpresso
Burrs
Conical 48mm
Adjustment
Stepped
Retention
Low (~0.1g)
Primary Use
Espresso