Timemore · Conical burrChestnut C3 ESP Pro
A pocket-sized manual grinder with a folding crank and a 30-click-per-turn dial fine enough to actually dial in espresso, not just pour-over.
The short version
This is the hand grinder we tell people to buy when they want real espresso control without hauling an electric grinder on a trip.
Accept that at 20g capacity and a slow hand-crank grind for fine espresso settings, it is a travel tool first and a daily driver second.
Why people buy it
- Genuinely fine, repeatable click adjustment (30 clicks/turn, ~23.3 micron steps) that gets you into usable espresso range, unlike most sub-$100 hand grinders
- Folding crank lies flush against the body, more compact than most competitors when packed
Why they don’t
- 20g hopper capacity means single-dosing for one to two cups only, no batch grinding
The full tally
- Genuinely fine, repeatable click adjustment (30 clicks/turn, ~23.3 micron steps) that gets you into usable espresso range, unlike most sub-$100 hand grinders
- Folding crank lies flush against the body, more compact than most competitors when packed
- All-metal aluminum/stainless construction with a ball-bearing handle mount instead of a fragile clip
- Genuinely portable and well suited to pairing with travel espresso makers
- 20g hopper capacity means single-dosing for one to two cups only, no batch grinding
- Grinding fine enough for espresso is noticeably slower (~1 minute) and more effortful than pour-over settings
- Folded handle angle is less ergonomic than a straight crank, and the internal dial requires some fiddling to adjust and realign after cleaning
What the community knows
Years of owner threads, distilled — well regarded.
Honest espresso grinder for travel and lever machines; dial friction and limited adjustment range cap performance on pump espresso, making it a deliberate stepping stone rather than a ceiling — but excellent value and build quality for the niche it owns.
Value
price-to-performance the community respects
Reliability
shows up every morning, year after year
Built to last
years before you outgrow or replace it
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 pair it with lever machines or French press and consciously avoid it for pump espresso dialing — expectations mattered.
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
- dialed3.5
- Versatility
- flexible4
- Built to last
- durable3.5
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 47 of the 154 grinders we’ve measured
- A value pick at this level
- 100% of grinders this capable cost more
- Lower half for build
- sturdier than 25% 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 outgrow the small hopper or want less workflow demand for daily use typically move to an entry electric single-dose grinder (e.g. a DF64-class machine) once they are brewing multiple cups a day, keeping the C3 ESP Pro as the travel backup.
The full spec sheet
- Class
- Hand grinder
- Burrs
- 38mm conical
- Drive
- Hand-cranked
- Adjustment
- Stepped (micro)
- Clarity lean
- Balanced
- Espresso suitability
- 3.5/5
- Brew versatility
- 4/5
- Single dosing
- Yes
- Hopper
- 20 g
- Workflow demand
- 4/5
- Maintenance
- 2/5
- Noise
- 1/5
- Build longevity
- 3.5/5
Before it arrives
What completes this grinder — the faded pieces can wait.
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.
- 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. A balanced burr set: rotate origins freely — it will keep up.
Pick your coffee — any of these dials in beautifully here:
Wild Ember - Ethiopian Buno Dambi UddoSCA 92Medium roast · Odo Shakiso, Guji Zone, Oromia · NaturalBlueberry · MarmaladeSteady and repeatable — right for this setup’s lane.CA$26.83 · roasted to order
Etherea - Ethiopian YirgacheffeSCA 88Medium roast · NaturalJasmine · BergamotSteady and repeatable — right for this setup’s lane.CA$24.16 · roasted to order
Sergio - Brazillian Fazenda Joia Rara Aerobic FermentedSCA 88Medium-light · Cerrado Mineiro · Aerobic FermentedHoney · OrangeSteady and repeatable — right for this setup’s lane.CA$29.18 · 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.
Worth comparing
Timemore
Chestnut C3 Max
A bigger-hopper version of Timemore's budget-darling C3 hand grinder, built around the same 38mm S2C conical burrs but scaled up to a 30g dosing chamber for grinding more than a single cup at a time.
CA$70–90 · US$45–65
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