Zerno — electric Grinder

Zerno Z1 Review

The indie darling of the 64mm class. Features a revolutionary pre-breaker auger and blind burrs for hyper-aligned performance.

EndgameUltra-PremiumHyped
Burr Typeflat
Burr Size64mm
Materialsteel
Best Forall-purpose
AdjustmentStepless
WorkflowSingle-Dose
Price$1,200–$1,500
CountryUSA

What We Love

✓Pre-breaker auger
✓Blind burrs (no screw holes)
✓Flawless alignment

Room for Improvement

✗Extremely hard to buy (drops only)
✗Premium pricing for 64mm

Technical Specifications

RPMVariable 500-1200
Retention<0.1g
Motor Power200W
Weight6800g
Bean Capacity50g
H
Reviewed byHassan

Hassan is a software developer with a coffee problem. Coffee Grinder Index is his attempt to solve it — one grinder at a time.

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