1Zpresso JX Pro.

The Gavler Review.

1Zpresso JX Pro Review: Big-Burr Hand Grinding for $139

The 1Zpresso JX Pro earns an 8.8 on Gavler's Best Coffee Grinders list, and it does it by delivering something no other grinder at $139 manages: 48mm conical steel burrs — the kind of burr size usually reserved for grinders twice its price — paired with over 200 repeatable grind settings. It's the grinder we point people to when they're ready to take manual brewing seriously but aren't ready to spend $300-plus to do it. The trade-off is straightforward and worth knowing going in: at roughly 780g it's a countertop tool, not something you toss in a travel bag, and while it can hit espresso-fine, it's happiest — and most consistent — grinding for pour-over, drip, and immersion brewing.

What it actually is

The JX Pro sits in the middle of 1Zpresso's J-series lineup, and it's the grinder that made big-burr hand grinding accessible to people who weren't ready to spend real money to get it. Most manual grinders in this price range use smaller ceramic burr sets that struggle at fine settings and take noticeably longer to work through a dose. The JX Pro instead carries the same 48mm stainless steel conical burrs found in grinders that cost several times as much, and that extra burr surface area is the whole story — it's what lets the JX Pro grind fast, grind fine when asked to, and stay consistent across a wide range of settings.

The adjustment system is the other half of the pitch. A stepped dial moves the burrs 12.5 microns with every click, spread across more than 200 total settings — enough range to go from Turkish-fine to French-press-coarse and land back on an exact, repeatable number. One detail worth flagging for anyone comparing spec sheets: the adjustment dial sits inside the hopper, at the top of the grinder, rather than on an external ring. That's actually a deliberate improvement over cheaper hand grinders, which bury their dials below the burr where you have to remove the catch cup and hold the handle steady with one hand while turning with the other. On the JX Pro you just lift the lid and turn the dial. It's less convenient than the fully external rings on 1Zpresso's newer K-series and J Max grinders, but a clear step up from the entry-level competition.

In use

Independent testing backs up the core claim: this thing is fast for a hand grinder. Brew Coffee Home, which put the JX Pro through several months of testing, wrote plainly that "of all the manual grinders we've tested, the 1Zpresso JX Pro is the fastest," and clocked a 20g espresso dose at the recommended fine setting in under a minute. That matters more than it sounds — one of the biggest complaints about manual grinders generally is the arm workout required to reach espresso fineness, and the JX Pro's 48mm burrs largely sidestep that problem.

Craft Coffee Spot's testing points to the same conclusion from a different angle, praising the mechanical execution underneath the numbers: the grinder "has fixed dual top and bottom bearings, eliminating any wobbly parts and providing smooth spinning." That's a build-quality detail that shows up directly in the grounds — less burr wobble means tighter particle-size distribution, which is exactly what you want whether you're chasing a clean pour-over or a balanced espresso shot. Both outlets independently confirm the same pattern Gavler's own consensus data reflects: strong, consistent performance across brew methods, with filter and immersion coffee as the standout use case and espresso as a capable but secondary strength. Brew Coffee Home — "Fast, versatile and easy to dial — the 48mm burrs punch well above the price and cover most brewing styles cleanly." Home Coffee Expert similarly called out the value proposition directly: "One of the best-value manual grinders available; the main knock is the weight, which makes it less ideal for travel."

Where it shines

• Burr quality that outperforms its price bracket. 48mm conical steel burrs are a rarity at $139 — most competitors at this price use smaller burr sets that grind slower and less evenly, especially at fine settings.
• Grind speed. Testers consistently found it faster than other manual grinders, and fast enough at fine settings that espresso dosing doesn't turn into an arm workout.
• Genuine settings range with real repeatability. Over 200 settings at 12.5 microns per click means you can move confidently between brew methods and return to an exact prior setting without guesswork.
• Value. CraftCoffeeSpot — "A balanced all-around hand grinder: excellent at filter, capable at espresso, with a repeatable... adjustment beginners find forgiving." Nothing else in this price range offers the same combination of burr size, build quality, and adjustment range.

The trade-offs — who should skip it

• You want a travel grinder. At roughly 780g, the JX Pro is meaningfully heavier than portable options built for a backpack or carry-on. It's designed to live on a counter.
• Espresso is your primary daily brew. The JX Pro can hit espresso fineness and produce a legitimate shot, but reviewers are consistent that it's happiest at filter and immersion settings. If espresso dial-in precision is your top priority, 1Zpresso's own J Max — with 8.8-micron steps instead of 12.5 — or a dedicated espresso grinder will serve you better.
• You have limited grip strength or want zero manual effort. Hand grinding this size of burr still takes real physical effort, even if it's faster than the alternatives. If that's a dealbreaker, an electric grinder is the better fit.
• You want the most premium feel and finish. The JX Pro is excellent for the money, but stepping up to a pricier manual grinder buys you a more refined adjustment mechanism and build.

How it compares

Within its own list, the JX Pro sits at rank six with an 8.8, one step below the Comandante C40 MK4 at rank five. The Comandante costs $359 — more than double the JX Pro's $139 — and that premium buys a more polished, more established manual grinder with a stronger cult following in specialty coffee circles. But the JX Pro isn't trying to be the Comandante; it's trying to get you most of the way there for a fraction of the cost, and by most accounts it succeeds. If you're deciding between the two, the honest framing is: buy the Comandante if the extra refinement and reputation are worth $220 to you, buy the JX Pro if you'd rather put that money toward beans, a scale, or a kettle.

The other natural comparison sits a couple ranks up the list: the Baratza Encore ESP, an electric entry-level espresso grinder at $200. This is less an apples-to-apples matchup and more a fork in the road — manual versus electric at a broadly similar price. The JX Pro asks for a bit of physical effort and a slower per-dose routine in exchange for burr quality that punches above its price and a genuinely portable, motor-free design. The Encore ESP trades that ritual for speed and zero-effort dosing, which matters more if you're grinding larger batches or multiple drinks in a morning. Neither is the wrong answer; it's a question of whether you want the grind to be part of the ritual or a step you'd rather skip.

The Gavler verdict

An 8.8, built on an expert consensus around 88 and a community rating near 86 — both reflecting the same throughline: exceptional burr quality and grind consistency for the money, with weight as the one recurring knock. The 1Zpresso JX Pro is the grinder to start with if you're serious about manual brewing and want big-burr performance without a big-burr price tag. It won't replace a dedicated espresso grinder for daily shot-pulling, and it won't fit in a travel kit, but for pour-over, drip, and immersion coffee on a counter at home, it remains one of the best values in the category.

Common Questions

Is the 1Zpresso JX Pro worth it?

Yes, for anyone serious about manual brewing on a budget. It ranks sixth on Gavler's Best Coffee Grinders list with an 8.8, and the case is simple: 48mm conical steel burrs and over 200 repeatable grind settings for $139 is a combination almost nothing else at this price matches. The catch is that it's a countertop tool at roughly 780g, and it's happiest grinding for filter and immersion methods rather than daily espresso.

Can the 1Zpresso JX Pro grind fine enough for espresso?

It can reach espresso-fine, and reviewers who tested it confirm the burrs are sharp and fast enough to pull a real shot rather than just a compromise grind for a pressurized basket. But the consensus is consistent: it's a capable espresso grinder, not a great one. Buyers who grind espresso daily tend to be happier with the finer step resolution on 1Zpresso's own J Max or a dedicated espresso grinder; the JX Pro's 12.5-micron clicks are built to serve every brew method well rather than to chase the last percentage point of espresso dial-in.

Is the 1Zpresso JX Pro too heavy to travel with?

For most travelers, yes. At roughly 780g it's noticeably heavier than travel-oriented hand grinders like 1Zpresso's own Q2, and reviewers consistently flag the weight as the grinder's main practical drawback. It's built to live on a counter, not in a backpack — if portability is the priority, look elsewhere in the lineup.

1Zpresso JX Pro vs Comandante C40 MK4 — which should I buy?

Buy the JX Pro if budget matters and you want most of the big-burr performance for a fraction of the price. Buy the Comandante if you want the more premium build, established reputation, and slightly more refined feel, and $359 isn't a barrier. Gavler ranks the Comandante higher on the list, but the JX Pro is the better value story — it gets you 80-90% of the experience for under half the cost.

Should I buy a manual grinder like the JX Pro or an electric grinder instead?

It depends on how much friction you'll tolerate each morning. The JX Pro requires hand-cranking a dose — usually well under a minute, but it is manual labor every single time. An electric grinder like the Baratza Encore ESP removes that step entirely for a similar price. If you like the ritual, or you're grinding one or two cups at a time, the JX Pro's grind quality is hard to beat for the money. If you want speed and zero effort, especially for larger batches, go electric.