CupClarity1Zpresso · Grinder
K-Ultra
One external-dial hand grinder for moving between espresso and filter.
Product image: 1Zpresso ↗
Published specifications.
- Power
- Hand-powered
- Burr
- K heptagonal conical
- Adjustment
- External · 100 clicks / rotation
- Burr movement / click
- 20 µm
- Catch cup
- Magnetic
- Handle
- Foldable
- Brew applications
- Espresso · Pour-over · AeroPress · French press · Turkish · Moka pot · Drip / batch · Siphon
Check the exact model and included parts with the linked manufacturer. Regional versions and replacement burrs can change the specification.
What changes in daily use.
Why shortlist it
- Hand-powered operation for a compact, unplugged setup.
- External · 100 clicks / rotation adjustment.
- Published adjustment movement: 20 µm.
The trade-off
The K-Ultra scale differs from the older 90-click K series; do not copy its dial ranges.
Before you buy or brew
- The K-Ultra scale differs from the older 90-click K series; do not copy its dial ranges.
- Use the exact model and burr revision when reading a grind chart.
- Check the dose fits the chamber and that hand grinding suits your routine.
Grind settings by brew method.
Use these as starting references for this exact model. Settings from a maker’s recipe retain that recipe’s dose and batch context.
| Brew method | Starting reference |
|---|---|
| Espresso | 3–4.5 dial numbersMaker reference ↗K-Ultra maker chart: values are dial numbers, with ten clicks per number and 100 clicks per rotation. Do not substitute the older 90-click K-series mechanism. |
| Pour-over | 8–9 dial numbersMaker reference ↗K-Ultra maker chart: values are dial numbers, with ten clicks per number and 100 clicks per rotation. Do not substitute the older 90-click K-series mechanism. |
| AeroPress | 5–7 dial numbersMaker reference ↗K-Ultra maker chart: values are dial numbers, with ten clicks per number and 100 clicks per rotation. Do not substitute the older 90-click K-series mechanism. |
| Chemex | No verified setting for this model |
| Moka pot | 5–7 dial numbersMaker reference ↗K-Ultra maker chart: values are dial numbers, with ten clicks per number and 100 clicks per rotation. Do not substitute the older 90-click K-series mechanism. |
| French press | 9–10 dial numbersMaker reference ↗K-Ultra maker chart: values are dial numbers, with ten clicks per number and 100 clicks per rotation. Do not substitute the older 90-click K-series mechanism. |
| Cold brew | No verified setting for this model |
| Drip / batch | 5–7 dial numbersMaker reference ↗K-Ultra maker chart: values are dial numbers, with ten clicks per number and 100 clicks per rotation. Do not substitute the older 90-click K-series mechanism. |
| Siphon | 8–9 dial numbersMaker reference ↗K-Ultra maker chart: values are dial numbers, with ten clicks per number and 100 clicks per rotation. Do not substitute the older 90-click K-series mechanism. |
| Turkish | 2–3.5 dial numbersMaker reference ↗K-Ultra maker chart: values are dial numbers, with ten clicks per number and 100 clicks per rotation. Do not substitute the older 90-click K-series mechanism. |
| Cold drip | No verified setting for this model |
| Percolator | No verified setting for this model |
| Cuccumella | No verified setting for this model |
| Kaapi filter | No verified setting for this model |
| Jebena | No verified setting for this model |
| Chorreador | No verified setting for this model |
| Dallah | No verified setting for this model |
| Vietnamese phin | No verified setting for this model |
“No verified setting” does not by itself mean a method is impossible. It means we have not established a published value for the exact model. Do not interpret burr movement in microns as coffee particle size.