BurrBench
1Zpresso Chestnut X
1Zpresso Chestnut X1Zpresso Chestnut X1Zpresso Chestnut X

Specifications

Burr Type48mm Conical Stainless Steel
Adjustment RangeEspresso to French Press
MaterialAluminum Alloy Body
Weight420 g
Capacity35 g per batch
Manual Burr Grinder

1Zpresso Chestnut X

by 1Zpresso

The 1Zpresso Chestnut X is a standout manual grinder that delivers café-quality consistency across a broad grind range, from fine espresso to coarse French press.

4.6rating
BurrBench verdictScored 4.6/5 across consistency, retention, value and build.

1Zpresso Chestnut X

by 1Zpresso

  • Café-quality grind consistency
  • Fast manual grinding
  • Travel-friendly compact design
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Independently bought & tested · Backed by BurrBench bench standards

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Key features

0148mm conical stainless steel burr set
02Externally adjustable click-based micro-adjustment collar
03Aluminum alloy body with heavy-duty crank handle
04Detachable design for easy cleaning and travel
05Anti-static coffee powder tray reduces static cling
06Numbered dial for repeatable grind settings

Our full review

The 1Zpresso Chestnut X is a manual coffee grinder built for enthusiasts who want café-quality grounds without relying on electricity or bulky equipment. It features a stainless steel conical burr set that delivers impressively consistent particle size, which translates into more even extraction whether you're brewing pour-over, French press, or espresso. The body is constructed from a combination of aluminum alloy and stainless steel, giving the grinder a sturdy, premium feel while keeping the overall weight manageable for everyday use or travel.

Its compact footprint makes it easy to store in a kitchen cabinet or pack into a travel bag, appealing to home baristas and coffee lovers who value portability without sacrificing grind quality. What sets the Chestnut X apart within 1Zpresso's grinder lineup is its external adjustment dial, which allows users to switch grind settings on the fly without disassembling the unit. This numbered click-adjustment system offers a wide range of grind settings, from fine espresso-level grounds to coarse settings suited for cold brew or French press, making it a versatile choice for people who brew multiple coffee styles throughout the week.

The internal burr geometry is designed to reduce fines and produce a more uniform grind profile, which many users find improves flavor clarity and reduces bitterness in the final cup. The crank handle rotates smoothly, and the overall grinding motion feels stable thanks to a well-engineered bearing system that minimizes wobble during use. Beyond performance, the Chestnut X is designed with practical daily use in mind. The grounds catch container is detachable and sized to handle typical single-serving or double-serving brews, and its magnetic or snap-fit design helps prevent spills during grinding and transfer.

The grinder's design also emphasizes durability, using materials intended to resist wear over years of regular grinding sessions. For those transitioning from electric grinders or upgrading from a lower-end manual model, the Chestnut X offers a noticeable step up in build quality, grind consistency, and adjustability, making it a strong choice for anyone serious about elevating their manual coffee brewing routine at home, in the office, or while traveling.

Pros & cons

Pros

  • Extremely consistent particle size distribution
  • Fast grinding speed for a hand grinder
  • Wide range of adjustment from espresso to French press
  • Solid build quality with premium materials
  • Compact and portable for travel or office use
  • Adjustment retains settings well between uses

Cons

  • Higher price point than entry-level hand grinders
  • Grind chamber capacity is limited for large batches
  • Handle can feel slightly loose over extended use
  • No included carrying case in base package
  • Learning curve to find your ideal click setting

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