Zerno
Zerno Z1
Zerno Z1
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Units are hand assembled in our Chicago facility and estimated to take *90 days* to customize to your exact specifications. Product may include minor design refinements and updates.
All Z1 purchases include lifetime membership to 'Zerno Sessions' ongoing online classes.
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What's In The Box
- Lifetime membership to Zerno Sessions ongoing online classes
- Your Custom Zerno Z1
- V2 Medium Feed Auger(pre-installed)
- Anodized Single Piece Chute
- Cleaning brush
- Ross Droplet Technique (RDT) spray bottle
- Maintenance tools
- Stainless steel magnetic dosing cup (fits 58mm portafilter)
- User replaceable power cord
- Front wood accent piece
- V2 Funnel
Zerno Z1 ships standard in a padded cardboard box with all included accessories.
The Zerno Pelican Style Hard Case is now available as an option with your purchase.
Form Meets Function
2024 Best New Product - Specialty Coffee Association

Platform For Experimentation
Unlock Possibility. Grow With Every Grind.
The Z1 was built for exploration — a foundation for those learning, dialing, and evolving. With support for a wide range of 64mm burrs, it invites you to experiment, swap, and refine without starting over.
All of that flexibility lives inside a compact footprint. The Z1 fits effortlessly into any space while giving you fast access to burrs, intuitive alignment, and the freedom to explore new profiles — from espresso to pour-over and beyond.

product specs
Platform Overview
Brewing Methods: Universal - All Methods
Burr Size: 64mm
Burr Mounting: Blind and Traditional
Footprint: 12.1" x 5.1" x 11.3"
Components: Stainless Steel & Aircraft Grade Aluminum
Prebreaker: Medium and Slow Feed
Motor: 300W Brushed AC
Voltage: 100 - 110V and 200 - 240VAC
Rotation Speed: 900RPM
Grind Range: 0 - 1400um
Grind Adjustment: Stepless and Front Facing
Hyperalignment: <25um alignment
Burr Choices
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SSP High Uniformity (HU)
Coffee Style: Espresso
Taste Profile: Medium Body With Some Flavor SeparationRoast Level: Light, Medium
Mounting: 3 Pin Blind
Coating: Red Speed
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SSP Multipurpose V2 (MPV2)
Coffee Style: Modern Espresso & Pour Over
Taste Profile: Light-Bodied, High Clarity & Flavor SeparationRoast Level: Light & Medium
Mounting: 3 Pin Blind
Coating: Red Speed
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SSP Cast V2 (CV2)
Coffee Style: Espresso & Pour Over
Taste Profile: Medium Body With Some Flavor Separation, Higher SweetnessRoast Level: Light & Medium
Mounting: 3 Pin Blind
Coating: Silver Knight
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SSP Cast V3 (CV3)
Coffee Style: Modern Espresso
Taste Profile: Light-Bodied, Medium ClarityRoast Level: Light & Medium
Mounting: 3 Pin Blind
Coating: Red Speed
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SSP Unimodal Brew (UMV1)
Coffee Style: Pour Over
Taste Profile: Light-Bodied, Higher Clarity than MPV2Roast Level: Light, Medium, Dark
Mounting: 3 Pin Blind
Coating: Silver Knight
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Mazzer 233M
Coffee Style: Traditional Espresso
Taste Profile: Full-Bodied, ChocolateRoast Level: Full spectrum, best for medium to dark roasts
Mounting: 3 Bolt Standard
Coating: Uncoated
Brew With Curiosity
Built To Grow With You
From rich, forgiving espresso to nuanced pour-over, the Z1’s 64mm burrs offer range, clarity, and control for those learning, experimenting, and refining their craft. Whether you’re exploring new brew methods or dialing in your favorite roast, the Z1 grows with you — helping you understand the why behind every grind.

Auger Prebreaker System
Smarter Feed. Cleaner Workflow.
The Z1’s modular slow-and-medum feed rate auger and prebreaker system help guide and crack beans before they reach the burrs, while the auger ensures a steady, controlled feed — promoting consistency across brew methods.
Designed give you more control, this system helps new users and seasoned baristas alike get better results, cup after cup.

Brushed AC Motor
Reliable Performance. Proven Power.
Under the hood of the Z1 is a 300W brushed AC motor—compact, consistent, and powerful. Designed for home use but built with durability in mind, the Z1’s motor delivers reliable torque and steady grind speeds with every use.
Operating on either 100–120VAC or 220–240VAC input, it maintains a consistent 900 RPM, offering a familiar feel and performance trusted by prosumers around the world.
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300W of Power
Efficient And Consistent
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<25um
Hyperaligned
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900 RPM
Single Speed For Predictable Grinding
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Built To Last
We overengineered the Z1's motor with a custom design focused on longevity and reliability—delivering confident power and smooth operation with every grind.
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Aligned By Design
Every Z1 ships precision-aligned and is built with high-tolerance internal components, ensuring consistent burr alignment and repeatable results.

Precision Micron Dial
Luxurious Feel. Control Every Micron.
At the front of the Z1 sits the smoothest precision micron dial in the industry.
Built with an internal brass thread and mounted on a German ball bearing, the dial delivers feedback you can feel—precise, fluid, and tactile.
Setting the zero point is effortless, accurate, and repeatable. You’ll feel when the burrs touch—just like sensing road texture in a high-performance sports car. It’s feedback made physical, the interface between human and machine.
The Z2’s magnetic accent piece allows quick, tool-less access to the zeroing mechanism and creates opportunities for personalization.
Whether matched to a kitchen, café, or personal taste, it’s designed to adapt seamlessly—simple, functional, and made to look right at home in any setting.
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0 - 1400um Grind Range
From espresso to filter (and beyond), the Z1's grind range spans from 0 to 1400um—covering the sweet spot for most home brewers. With precise, stepless adjustment and consistent alignment, it delivers dependable results shot after shot, cup after cup.
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Workflow Simplified
The Z1's minimalist workflow was designed to give you an intimate understanding of the variables that affect your brew. With thoughtful geometry and minimal retention, it's a grinder that stays out of your way and lets you focus on the coffee.

Grind range: 0-1400um
Burr size: 64mm
Burr mounting: Blind and Traditional
Adjustment type: Stepless
Weight: 6.5kg ~ 14.3lbs
Height: 287mm ~ 11.3” (including funnel)
Length: 307mm ~ 12.1”
Width: 130mm ~ 5.1″ (at the base)
Body Diameter: 84.25mm ~ 3.3”
Power: 300W
Input Voltage: 100-120VAC or 220-240VAC
Rotation Speed: 900RPM

Grind range: 0-2000um
Burr size: 80mm
Burr mounting: Blind and Traditional
Adjustment type: Stepless
Weight: 10.1kg ~ 22.3lbs
Height: 312mm ~ 12.3” (including funnel)
Length: 341mm ~ 13.42”
Width: 130mm ~ 5.1″ (at the base)
Body Diameter: 105mm ~ 4.1”
Power: 600W
Input Voltage: 100-240VAC
Rotation Speed: 800-2000RPM