Porlex · Conical burrMini II
A pocket-sized Japanese ceramic hand grinder built to live inside an AeroPress. It is the travel grinder people actually keep for a decade, not a serious espresso tool.
The short version
This is a stainless-and-ceramic travel grinder that does pour-over, AeroPress, and Moka Pot honestly well and fits inside an AeroPress chamber.
Accept that the tiny 20-22g hopper and narrow handle mean it is a one-or-two-cup tool, not a home espresso grinder.
Why people buy it
- Fits inside an AeroPress chamber, genuinely pocketable at around 250g
- Laser-etched ceramic conical burrs that resist rust, odor absorption, and dulling
Why they don’t
- 20-25g hopper caps it firmly at single-serve, useless for batch brew or a full carafe
The full tally
- Fits inside an AeroPress chamber, genuinely pocketable at around 250g
- Laser-etched ceramic conical burrs that resist rust, odor absorption, and dulling
- Redesigned burr stabilization over the original Mini fixed the wobble and fines/boulders problem
- Every part is replaceable, and owners report units lasting many years
- 20-25g hopper caps it firmly at single-serve, useless for batch brew or a full carafe
- Narrow handle causes hand fatigue on multiple grinds or larger batches
- Grind consistency is fine for pour-over/AeroPress but not accurate enough to be a real espresso grinder
What the community knows
Years of owner threads, distilled — a niche favourite.
Solid portable grinder with genuine build quality, but espresso ceiling is real — travel and camping excellence, but espresso consistency demands a burr upgrade path; community treats it as a temporary companion, not a daily driver investment.
Value
price-to-performance the community respects
Reliability
shows up every morning, year after year
Parts & serviceability
parts and repairs — you are never stranded
All 9 community measures
price-to-performance the community respects
shows up every morning, year after year
parts and repairs — you are never stranded
mods, guides, and community know-how around it
kind to first-timers
years before you outgrow or replace it
how far the cup can go, per dollar
speed and simplicity, day to day
Worth knowing before you buy — Most owners who buy it for espresso end up saying they should have invested directly in a stationary burr grinder; it is excellent only if you genuinely need portability.
Known weak points — Burr retention issues reported in long-term use; inconsistent grind distribution for espresso-range fines; adjustment mechanism can slip under heavy use.
The measurements
Scored 0–5 on the same rubric as everything on file — the words matter more than the numbers.
The measurements
0–5, one rubric- Espresso
- brew-only1.5
- Versatility
- narrow3
- Built to last
- durable4
Position in the market
Every dot is a rival, measured the same way. The gold one is this.
- Lower half for espresso suitability
- a higher ceiling than 9 of the 155 grinders we’ve measured
- Lower half for build
- sturdier than 37% of the field, by the community’s own record
Every dot is a grinder measured on the same rubric. See the whole market
Living with it
The part spec sheets skip: counter space, upkeep, and what owners learn later.
The honest note — Owners who start grinding for espresso or want a wider handle for less fatigue typically move up to a 1Zpresso Q2/J-series or a Comandante; those cost more but hold tighter espresso-range consistency. Homebound users who no longer need portability usually graduate to an electric single-dose grinder.
The full spec sheet
- Class
- Hand grinder
- Burrs
- 38mm conical
- Drive
- Hand-cranked
- Adjustment
- Stepped (micro)
- Clarity lean
- Syrup & body
- Espresso suitability
- 1.5/5
- Brew versatility
- 3/5
- Retention
- ~0.5 g
- Single dosing
- Yes
- Hopper
- 22 g
- Workflow demand
- 4/5
- Maintenance
- 1/5
- Noise
- 1/5
- Build longevity
- 4/5
- Dimensions
- 4.8 × 4.8 × 13 cm
Before it arrives
What completes this grinder — the faded pieces can wait.
Gooseneck kettle · not optional — Manual and lever machines bring no water of their own — a temperature-stable gooseneck is how you actually pull a shot.
- Gooseneck kettle — Manual and lever machines bring no water of their own — a temperature-stable gooseneck is how you actually pull a shot.
- Coffee scale with timer — Espresso is a ratio. A 0.1g scale with a built-in timer is the single biggest consistency upgrade for any manual machine.
- Dosing cup — Pairs with single-dose grinding — grind into the cup, swirl, and transfer to the portafilter cleanly.
- Grinder cleaning kit — Brushes and grinder tablets keep retention and stale grounds in check.
Feed it right
Week one is dial-in — and stale beans will lose it.
Coffee more than a few weeks past roast won’t extract predictably, and a new grinder gets blamed for it. These burrs pull syrup — naturals and classic medium roasts play straight into their character.
Pick your coffee — any of these dials in beautifully here:
Highland Elixir - Papua New Guinean Sigri PlantationSCA 86Medium-dark · Wahgi Valley, Western Highlands · WashedBright Citrus · Caramel SweetnessSyrup and body, matched to these burrs.CA$22.43 · roasted to order
Lavabloom - Indonesian Sumatra MandhelingMedium-dark · Mount Leuser, Sumatra · Wet Hulled (Giling Basah)Dark Earth · Bittersweet ChocolateSyrup and body, matched to these burrs.CA$19.02 · roasted to order
Wild Ember - Ethiopian Buno Dambi UddoSCA 92Medium roast · Odo Shakiso, Guji Zone, Oromia · NaturalBlueberry · MarmaladeSyrup and body, matched to these burrs.CA$26.83 · roasted to orderWhole bean, dated, ready for your burrs the week it lands.
Roasted to order, daily, in Ajax, Ontario · ships Canada-wide. We’re the roastery behind this database — measuring the machines is how we make sure the coffee gets a fair shot.
Common questions
Does the Porlex Mini II fit inside an AeroPress?
Yes, with the handle detached it slides into the brewing chamber of the original AeroPress, though it does not fit the smaller AeroPress Go.
Is the Porlex Mini II good for espresso?
Not really. It can produce a fine enough grind for pressurized portable espresso makers in a pinch, but it lacks the consistency of a dedicated espresso grinder.
How much coffee can it grind at once?
The hopper holds roughly 20-25 grams of whole beans depending on density, enough for one to two cups.
Weighing it against something we didn’t list? Compare it with anything on file →
Still weighing it? The finder narrows all 429 down to three that fit your life.
Run the two-minute finder →