December 2023 presale coming up! Presale opens on December 1st at 10am ct to email subscribers

Prebreaker Hero

Variable Feed, Swappable Prebreaker

Zerno Prebreakers


Our prebreakers control the flow of your beans while cracking them shortly before they enter the grind chamber.

The Result
Regulating flow allows your burrs to be more effective and productive, resulting in lower frictional temperature, which prevents premature brewing of your grounds.


Why it matters
This method produces a more uniform & consistent grind with every brew. Finally, you are able to experience all of the subtle qualities that each bean has to offer.

ZERNO is driving prebreaker innovation

Our engineering team spent years of R & D testing methods to find the ideal combination of feed rate and burr rpm – with the goal of achieving control over particle size distribution and ensuring grind uniformity.

Variable Feed, Swappable Prebreaker

Variable Feed Rate Prebreakers

Our easy to swap prebreakers offer different feed rates – Giving you full control over your brew.

now available in limited quantities

Medium Feed Rate v2

 

Price: $39

Compatibility: All Z1 Grinders. Launch Edition Grinders require the V2 prebreaker to be compatible.


Availability:
Standard with all Z1 grinders as of Batch 5 (May/June 2024) & for sale on our online store when available


Category: All Purpose – Medium Fines


Overview:
This auger is an improvement from the original Medium Feed Rate Prebreaker – This design includes upgraded teeth that initiate the prebreaking process & optimize the flow of beans through the grind channel.

Medium Feed Rate v2 with Teeth

coming soon – currently in beta

Slow Feed Rate

 

Price: TBD

Compatibility: All Z1 Grinders. Launch Edition Grinders require the V2 prebreaker to be compatible


Availability:
Coming Summer ‘24


Category: Low Fines


Overview:
This is the first inverted design auger – Meaning that a small amount of beans is fed into the grind chamber at a time with minimal popcorning effect. This design drops your dial in point consistently, leading to a sharper peak and enhanced clarity.

Slow Feed Rate Auger

Ready to Upgrade Your Z1 Setup?

Head to our online store to upgrade your auger, chute, burr sets, and any other custom Zerno accessories – Available in limited supply

Medium Feed Rate Auger v1

 

Compatibility: All Z1 Grinders. Launch Edition Grinders require the V2 prebreaker to be compatible.


Availability:
Not in Production. Available for warranty claims & special circumstances


Category: All Purpose – Medium Fines


Overview:
This is the standard auger that was included with all Z1 grinders from Batch 2 through 4. The v1 anodized auger was manufactured using 7000 series aluminum & designed to produce consistent results across a large variety of burrs.

Medium Feed Rate Auger v1

no longer available

Fast Feed Rate Auger

Compatibility: Launch Edition Grinder


Availability: Not in Production


Category: All-purpose – High Fines


Overview:
Standard Auger included with most Z1 Launch Edition grinders.

Need Help?

FAQ | User Manual | email info@zerno.co

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