1Zpresso X-Ultra Manual Grinder
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The Handle
Spindle Free
Inside the Case
Scan Code for Manual
1Zpresso Case
On the Testing Bench
Silicone Grip
X-Ultra vs J-Ultra
Grippy Bottom
X-Ultra Grinder from 1Zpresso
Optional Grip
Upper Chamber
Ultra Boxes-1
Grinder Taken Apart
Spindle Locked In
Open Case
Pull Ties
Box Opened
The Case and Grinder
Burr Details
Grinder Taken Apart
Drill Friendly
The Ultras
Magnet Catch Cup
The Bottom Burr
The Burr and Spindle Assembly
Specialized Nut
Air Squeezer
Ultra Series Boxes
Cap for Grinder
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The X‑Ultra I received in Pacific Blue arrived in a simple cardboard box, which itself contained a hard‑shelled zippered case. That case is not only protection in transit but also designed for daily use as your grinder’s permanent home. Inside, everything is neatly fitted: the grinder body, the folding handle, a removable silicone grip, a cleaning brush, and a small rubber air blower. No tools, since the grinder is designed with tool‑free disassembly in mind.
I am sad to report there’s two pieces of polystyrene foam inside the case to keep the X-ultra secure; 1Zpresso could have easily used cardboard forms here to do the same job, but in a much more eco-friendly way. I hope the company moves away from these nearly impossible to recycle packaging materials.
All the Ultra grinders from 1Zpresso come in the same outer box design. They do mark the specific model on the side.
Opening the box reveals the X-Ultra Case
The case that comes with all Ultra grinders.
A nice detail, the pull ties are branded for 1Zpresso
Sad to see they're using polystyrene here inside the case, when cardboard forms would have worked perfectly.
Inside is the grinder, handle, blower, dual sided brush (fine and coarse), silicone grip, and a scan card.
No manual included, instead, a scan code card.
Here's the QR code for the manual download.
The grinder body itself makes an impressive first impression. Weighing about 590 g, it is heavier than some of the other travel grinders we’ve reviewed, but still light enough to toss in a bag with confidence. At 17.5cm tall and 5.5cm in diameter (6.7” x 2”), the X‑Ultra fits easily into most hands, though people with larger mitts will want to pay attention to how they grip it during more forceful grinding.
With the folding handle collapsed against the body, the width stays under 12cm, keeping it slim enough for its case or even the side pocket of a backpack. The sandblasted matte finish has both aesthetic and practical value: it looks sleek while giving your hand extra grip. For tougher beans or fine espresso settings, the removable silicone sleeve provides even more traction.
The handle, borne out of a legal fight with Comandante, folds and bends.
The mounting cap and handle for the X-Ultra
The silicone grip provides extra grip security if you're grinding a lot for espresso or with ultra light roasts.
The grip is optional, because the slightly sandblasted body gives enough grip for most grinding applications.
The finish on the Pacific Blue model is especially striking. When new, it has a vibrant brightness, though I have noticed it darkens slightly with use and handling, adding a kind of lived‑in patina which I think is pretty cool. For those who want different looks, 1Zpresso also offers the X‑Ultra in Midnight Black and Space Grey.
The bottom of the grinder features a silicone anti-slip disk, which is welcome because it helps keep the grinder more stable on countertops when not in use. It also keeps the catch cup more secure on the counter, and prevents any damage to wood tabletops. Still, the grinder is top-heavy with the handle installed, so it can be easily knocked over (a common problem with manual grinders).
Grippy silicone base with the 1Z logo, keeps itself secure on the counter.
The magnets in the catch cup. They do a good job, but not as grippy as models like the Blade R3 with 2x the magnets.
The robust spindle in the X-Ultra, plus it's mounting system means 1Zpresso officially endorses using a drill with this grinder for speed grinding.
The upper chamber containing the burr, spindle, bearings, dual mount and adjustment system is very solid and dense in feel.
At the heart of the grinder is its 40 mm stainless steel heptagonal burr set, which has a distinct seven‑sided cutting profile. The machining and engineering design is crisp, with sharp edges that make quick work of dense beans. This burr geometry is designed to limit fines and highlight clarity in the cup. Mounted on a thick central driveshaft (which is powered drill compatible!), the burrs are kept centred by a dual‑bearing system. Unlike earlier grinders where burr alignment was more of a hope than a guarantee, here the stability is evident right out of the box.
The external grind adjustment dial is one of the defining features of the X‑Ultra. It comes factory‑set at zero, with numerals and hash marks clearly embossed. Each full rotation provides 60 clicks, with every click moving the burrs by 12.5 microns. That puts it in the sweet spot for both espresso and filter brewing: fine enough for meaningful espresso adjustments, coarse enough that pour over settings don’t require endless clicks. Under good light, the embossed markings are easy to see, but in dim conditions you may find yourself tilting the grinder to catch the right angle. One thing I wish it had is an indicator for tracking full rotations, as found on grinders like the J-Ultra, or Blade R3 from MHW‑3Bomber.
A change from previous X-Ultra designs, the burr no longer has a bottom external plate attached. It is directly mounted on the spindle, for added stability.
The gear select system and mounts for the grinding shaft are very robust, beefy and secure.
The burr is sort-of permanently attached directly to the spindle. Note the mid plate, spring, and top hex nut design.
I'm always fascinated at these macro shots of modern burrs. So much engineering going on.
Note the collar has 3 anchor pins to slot into the top nut for the grind adjustment.
The case and stuff the grinder comes with. Note the dual sided brush
Capacity is another plus-point. The hopper can hold up to 31g depending on bean density. For my part, I rarely go above 25 g in this grinder, which is plenty for most pour over brews, but the extra headroom means you can push to a larger 450 ml brew if needed.
Cleaning the X‑Ultra is surprisingly straightforward and requires no tools. You simply rotate the dial a couple turns, push up on the burr from below, turn a very specialized locking nut up top about 5 degrees, and the drive shaft and lower burr just slide out. Reverse the process to reassemble. It’s deep clean–friendly without resorting to wrenches or dicey prying.
This very specialized nut is what holds the spindle anchored in place and allows for tool free disassembly.
Here, the spindle is free to drop down through the body, removing the burr and spindle assembly.
Here, the spindle is locked into place with the specialized nut, after turning it about 5 degrees.
Here's the various parts of the X-Ultra, taken apart.
Another view of the parts, lying on their side.
The little air squeezer thingie the grinder comes with. It's surprisingly strong airflow, for like .5 seconds.
Re‑calibrating the dial after a deep clean is easy too. Pop off the numbered ring, realign it to zero, and you are back in business. The included brush and blower handle routine cleaning duties well. Just remember the big rule: no water. A sticker inside the grinder itself reminds you that moisture can spell trouble for the burrs and bearings, which is why the Ross Droplet Technique (RDT, lightly misting beans to reduce static) is officially discouraged.
Taken together, this grinder looks the complete package. Smart engineering, sleek, tight as a drum snare, and it even comes with its own travel case. It’s a grinder designed to be used daily, used hard, and looking good doing so.
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Getting the X‑Ultra ready for use starts with the folding handle, and here is where my experience is a little mixed. The mechanism is clever and unique, but it occasionally takes a couple of tries to lock it into place. Once it’s engaged, the ergonomics are fantastic. The bend of the crank arm feels natural, and the handle itself fits snug in the hand, keeping longer grinding sessions from feeling like a McJob. These minor hiccups don’t ruin the workflow, but they do add a moment’s pause before getting down to the actual grinding.
With beans in the hopper – I usually dose around 20 g, though it will handle up to 30 comfortably – the grinder feels nicely balanced. The size and weight balance a sweet spot between sturdy and portable, and I’ve found it easy to keep steady even at finer grind settings.
The external adjustment dial is a real highlight during daily use. Each click equals 12.5µm, which is fine enough for espresso while remaining broad enough that pour over adjustments don’t feel endless. Just the fact it is so easy to make nice tight adjustments (without having to take the grinder apart) is a pleasure. After a few brews, memorizing your click counts for different methods becomes second nature. The dial markings are easy to track in bright light, though in dim kitchens or early mornings I sometimes tilt the grinder to catch them properly.
Grinding itself is smooth and consistent. Thanks to the dual‑bearing system keeping the burrs aligned, there’s no wobble or unwanted resistance beyond what you’d expect at espresso settings. An 18 g espresso dose typically takes me around 45 seconds. For pour over, grinding feels quicker and easier, with a steady resistance that reassures you the burrs are grabbing onto the flow of beans, and doing their job well.
The X-Ultra, on the testing bench. We've put well over 30 pounds of coffee through this grinder for this First Look.
The magnetic catch cup keeps the workflow tidy and transferring grounds simple, though I’ve knocked it off a couple of times (only a couple, and I’ve put about 30lbs of coffee through this grinder) when gripping too low on the grinder. Holding slightly higher solves that issue.
Cleaning fits well into a daily routine: a few quick brushes and a puff of the included blower keep the internals clear. Those tool-free deeper cleans aren’t pain points either, with the job itself, and calibration back to zero taking only a few moments.
In practice, the X‑Ultra feels like a grinder built for real daily use by the solo coffee drinker. Even with the minor quirks – the stubborn handle, or the catch cup that you need to be aware of when gripping the grinder – the overall workflow is smooth, intuitive, and satisfying across brewing methods.
In our Full Review, we’ll dive even deeper into specific brewing methods and how this grinder delivers.
How the X-Ultra (on left) stacks up against the K-Ultra (middle) and J-Ultra (right). Connect with us on Social Media
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want to reach a global specialty coffee audience? advertise with us. The X‑Ultra competes directly with several manual grinders aimed at serious coffee nerds. Each of these grinders brings its own strengths and foibles, which makes the landscape interesting if you’re deciding where to put your money.
1Zpresso J‑Ultra
The J‑Ultra is the sibling that goes all in on espresso and let me tell you, we love it for that; make sure to check out our article on it. With its titanium‑coated 48 mm burr set and ultra‑fine 8‑micron increments, it’s designed for those who pull shot after shot and want minute control over flow rates. If you’re the type to agonise over the difference between a 25‑second and 27‑second extraction, the J‑Ultra is your machine. The downside is its kinda normal performance with filter brewing. Where the X‑Ultra produces clear and sweet pour‑overs, the J‑Ultra can come across as a tad muddier and less refined. At $200USD, you’re paying for that espresso precision. For anyone who brews across methods, the X‑Ultra gives you more flexibility at a lower price.
The two grinders, side by side.
Comandante C40 Nitro Blade
The C40 is the grinder that many see as the benchmark. It has earned its reputation for great build quality, a robust nitro‑hardened steel burr set, and a track record among competition baristas. It does, however, come with a few trade‑offs. Priced around $300, it’s nearly double the X‑Ultra. It also lacks an external calibration dial, so while grind quality is outstanding, repeatability relies more on careful counting and memory. Grinding speed is slower too, especially at espresso fineness. For those who want a beautifully crafted object with some heritage, the C40 is compelling. But if you value a fast, intuitive workflow and a smaller price tag, the X‑Ultra delivers much of the same grind quality with fewer headaches.
MHW‑3Bomber Blade R3
The Blade R3 is a more recent competitor and feels cut from the same cloth as the X‑Ultra. It shares a similar emphasis on portability and premium build, with one standout feature: a grind dial that tracks full 360‑degree rotations. That detail is a godsend if you want precise reference points without second‑guessing. Where it falls a bit short is the burrset: don’t get me wrong, the R3 has a fantastic burr design for its price point. But it does produce more fines, especially in the mid range. 3Bomber just doesn’t have the history of burr design that 1Zpresso has already accumulated. And I haven’t even mentioned how much more static that grinder produces. At about $50 more, I still give the big nod to the X-Ultra here, but the Blade R3 is a king of a choice if budget is your primary focus.
The Blade R3 sure has a lot of parts and bits!
Kingrinder K6
The Kingrinder K6 is the budget challenger that punches above its weight class. It uses a 48 mm heptagonal burr, larger than the X‑Ultra’s 40 mm set, and it offers external adjustment at roughly 16 µm per click. Capacity is higher, handling up to 35g of coffee in the hopper. The real draw here is price: around $100-110USD, saving $60 off the X-Ultra’s price. For many, the K6 is a revelation, providing grind consistency suitable for both espresso and filter without breaking the bank. It does lack the premium touches of the X‑Ultra: no magnetic catch cup, no folding handle, and a plainer overall design. Build quality is good but not at the same level of refinement. Still, if budget is a concern, it’s a serious contender.
Competition Roundup
In this group, the X‑Ultra doesn’t dominate in every single category, but it offers the most balanced package. The J‑Ultra wins for espresso micromanagement but stumbles in pour‑over. The Comandante C40 shines with heritage and burr quality but costs much more and slows you down. The Blade R3 appeals to detail‑oriented calibration junkies yet feels less polished overall. The K6 makes a strong case for affordability, but you give up some convenience and finesse.
What the X‑Ultra does so well is combine thoughtful features, a precise external dial, premium build quality, and a versatile burr set, all while staying within a price point that makes sense for serious enthusiasts. For many coffee drinkers, that balance is the sweet spot.
A feature I wish they could have figured out how to incorporate into the X-Ultra - a rotations indicator (this, on the J-Ultra). But the way the X-Ultra's adjustment dial is engineered makes this specific solution impossible.
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The 1Zpresso X‑Ultra earns its spot as one of the most versatile manual grinders you can buy today. It is compact yet solidly built, with 40 mm burrs, a precise external dial, and practical touches like a magnetic catch cup and foldable handle. At around USD 159 or CAD 240, it costs significantly less than many competitors while still delivering excellent grind performance.
For espresso, it is not quite as specialised as the J‑Ultra, and for filter coffee, it may not deliver the body of the K‑Ultra. Yet for 95 percent of coffee drinkers, the differences will be indistinguishable. The X‑Ultra’s sweet spot is being a single grinder that can handle almost any brewing style well.
The quirks are worth noting: the foldable handle can be fiddly, the catch cup may slip if you are not careful, and the dial is hard to read in poor light. But these are manageable with practice. The included brush, blower, and case add value, and the all‑metal build gives confidence that it will last for years.
If you want one manual grinder for daily use across espresso and filter methods, the X‑Ultra is well worth considering. We will have a full review in a few months, where we will dive deeper into grind quality testing, sieving, and direct comparisons with the J‑Ultra and K‑Ultra.
Do you already own an X‑Ultra, or are you thinking of buying one? Leave a comment below. We would love to hear your experience or what you are most curious about.
The X-Ultra, the evolutionary descendant of the Porlex Mini. Better in every single way
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