• Reviews 1Zpresso J-Ultra iron gray - coffee grinder

Reviews 1Zpresso J-Ultra iron gray - coffee grinder

The 1Zpresso J-Ultra Iron Gray is a manual coffee grinder that has received rave reviews from customers around the world. Most reviews highlight its exceptional precision, quality workmanship and stylish design . Users appreciate the wide range of grinding coarseness settings (more than 400 positions, of which over 70 are for espresso only), which makes it ideal for various coffee preparation methods, but especially for espresso. It is also appreciated for its low retention , where the amount of ground coffee almost completely matches the amount weighed. Customers often compare this manual grinder with electric ones, often stating that the J-Ultra surpasses them in quality and consistency of grinding.

Many reviews mention the speed of grinding and ease of use , although some point out that grinding for espresso requires some effort. Other pluses include high-quality materials (stainless steel) , magnetic container attachment , and practical accessories, including a carrying case and cleaning kit.
Its reliability and consistent results make it a significant upgrade for home coffee sets , and many consider it the best manual grinder they've ever owned. Despite the higher price, customers agree that it's worth every penny .

199,00 €
Ex Tax: 165,83 €
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expected date of availability: 30.09.2026

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Product reviews 1Zpresso J-Ultra iron gray - coffee grinder

• Rated at 4barista.sk
Martin
22.05.2026
A bombastic product, extremely precise and stylish. A joy to grind! I have it for the office and on the go, but in reality it is much better than my regular kitchen coffee electric grinder.
bombastický výrobok, extrémne precízny a štýlový. Radosť mlieť! Mám ho akože do ofisu a na cesty ale v skutočnosti je oveľa lepší než môj riadny kuchynský kávový elektrický mlynček.
• Rated at 4barista.pl
Rafal
14.05.2026
One of the best coffee grinders
One of the best coffee grinders
• Rated at 4barista.cz
Verified customer
10.05.2026
The absolute top among manual grinders
Naprostá špička mezi ručními mlýnky
• Rated at 4barista.hr
Mladen
07.05.2026
An excellent grinder, before it I used a zassenhaus barista, the difference is huge both in grinding speed and in consistency. And it even grinds a little easier. High recommendation for a manual espresso grinder! I have not used it for other types of coffee preparation, although it seems to me that it could be fine enough for Turkish coffee.
Odličan mlin, pre njega sam koristio zassenhaus barista, razlika je ogromna i u brzini mlevenja i u konzistentnosti. A čak se i malo lakše melje. Velika preporuka za ručni espreso mlin! Za druge vrste pripreme kafe ga nisam koristio, mada mi deluje da bi mogao i dovoljno fino za tursku.
• Rated at Kafebarista.bg
Martin
05.05.2026
500 degrees, with precision up to 8 microns, it is easy to use and maintain. The delivery was fast and convenient. I have no complaints!
500 степени, с прецизност до 8 микрона, лесна е за употреба и поддръжка. Доставката беше бърза удобна. Нямам забележки!
• Rated at Kafesbarista.gr
ΔΗΜΗΤΡΗΣ
01.05.2026
It's just perfect. Ergonomics, build quality, uniformity of results. I highly recommend it.
Είναι απλά τέλειο. Εργονομία, ποιότητα κατασκευής, ομοιομορφία αποτελέσματος. Το συνιστώ ανεπιφύλακτα.
• Rated at 4barista.pl
Amine
01.05.2026
Quick delivery and the J ultra is a very solid hand grinder.
Quick delivery and the J ultra is a very solid hand grinder.
• Rated at 4barista.cz
Verified customer
16.04.2026
+ Really wide grinding range - over 400 different positions in total High-quality materials, stainless steel stones, no plastic anywhere The ground coffee container is held by magnets = just twist it slightly and it comes out beautifully Perfect retention - in 99.9% of cases, the amount of coffee at the input is equal to the amount at the output Sturdy carrying case Cleaning kit with a blowtorch and brush After I found out that the grinder built into the coffee machine is rather ridiculous, I focused on choosing an external grinder and since a really high-quality electric grinder costs more than a coffee machine, the solution is to buy a manual one. And considering that this brand is one of the top, there was no question
+ Opravdu široký rozsah mletí - celkem přes 400 různých pozic
Kvalitní materiály, kameny z nerezové oceli, nikde žádný plast
Nádobka na namletou kávu drží na magnety = stačí lehce pootočit a jde krásně ven
Perfektní retence - v 99,9% případů se množství kávy na vstupu rovná množství na výstupu
Bytelný kufřík na přenášení
Sada na čištění s foukacím balonkem a štětcem
Poté, co jsem zjistil, že mlýnek vestavěný v kávovaru je spíš k smíchu, jsem se zaměřil na výběr externího mlýnku a protože opravdu kvalitní elektrický mlýnek stojí víc, než kávovar, je řešení koupit manuální. A vzhledem k tomu, že tahle značka patří ke špičce, nebylo o čem
• Rated at 4barista.cz
Lukáš
12.04.2026
After switching from the built-in grinder in the DeLonghi espresso machine to this manual gem, preparing coffee is a little feast. The grinder feels like a quality piece of iron that doesn't just drop some beans. Grinding with it is incredibly satisfying and, thanks to the steel stones, fast. I appreciate the external adjustment with the rotary wheel, a really veeeelful fineness adjustment - basically over 400 different clicks and just over 70 for espresso. The great retention is also perfect, so in 99.9% of cases the amount of coffee at the input is equal to the amount at the output. The folding handle, brush and balloon for cleaning and a beautiful transport case for carrying are also great. The ability to disassemble the grinder without any tools is just the icing on the cake. For me, a definite recommendation.
Po přechodu z vestavěného mlýnku v espresso kávovaru DeLonghi na tenhle ruční skvost, je příprava kávy malý svátek. Mlýnek působí dojmem kvalitního kusu železa, který jen tak nějaká zrna nepoloží. Mletí s ním je neskutečně uspokojivé a díky ocelovým kamenům i rychlé. Oceňuji externí nastavení otočným kolečkem, opravdu veeeelkorysé nastavení jemnosti - v podstatě přes 400 různých kliků a jen na espresso něco přes 70. Perfektní je i skvělá retence, takže v 99,9% případů se množství kávy na vstupu, rovná množství na výstupu. Super je i skládací klička, štětec a balónek na čištění a krásný transportní kufřík na přenášení. Možnost mlýnek rozebrat bez jakéhokoliv nářadí je pak už jen třešnička na dortu. Za mě jednoznačné doporučení.
• Rated at Kafesbarista.gr
ΘΡΑΣΥΒΟΥΛΟΣ
08.04.2026
Sturdy product, well built, worth the money, for espresso use.
Στιβαρό προϊόν, καλή κατασκευή αξίζει τα λεφτά του, για εσπρέσσο χρήση.
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