The C3S PRO upgrades the standard C3S with a foldable crank handle and a non-slip silicone base — same patented S2C 660 stainless steel conical burrs, same all-metal aluminium alloy body with zero plastic inside, now packaged for easier travel and compact storage. Point-to-point adjustment dials in espresso through French press with repeatable precision every brew.
What PRO Adds Over C3S
🔁
Foldable Crank Handle
Collapses flat against the body — prevents tipping in storage and cuts pack volume for travel and camping use.
🔵
Non-Slip Silicone Base
Silicone ring on the base grips countertops and surfaces — eliminates sliding during single-handed grinding.
⚙️
S2C 660 Patented Burr
Spike-to-Cut geometry pre-breaks the bean before slicing — faster throughput, more uniform particle size, fewer fines.
🏗️
All-Metal — Zero Plastic
Full aluminium alloy unibody with stainless steel shaft, burrs, and crank — no plastic inserts that crack or flex with use.
🎯
Dual-Bearing Shaft
Two-bearing centre axis eliminates wobble — inner burr stays perfectly aligned for consistent particle distribution shot after shot.
📦
52mm Compact Body
Slim 52mm diameter fits comfortably in one hand — pocket-sized for trail use, light enough to carry daily without noticing it.
🫖 French Press16 – 20 clicksCoarse · full immersion brew
Brew Methods
☕
Espresso
🫖
Pour-Over
🥤
French Press
🔵
AeroPress
🟤
Moka Pot
🧊
Cold Brew
Specifications
Brand
TIMEMORE
Model
Chestnut C3S PRO
Burr
S2C 660 — Patented Spike-to-Cut Stainless Steel
Burr Hardness
HRC 55–58
Burr Diameter
38mm Conical — 5-Axis CNC Machined
Body Material
Aluminium Alloy — All-Metal, Zero Plastic Inside
Bearing System
Dual Bearing — Centre Shaft Stabilisation
Adjustment
Point-to-Point — Stepless Dial
Capacity
20 – 25g Roasted Beans
Body Diameter
52mm
Handle
Foldable Crank — Stainless Steel
Base
Non-Slip Silicone
Cleaning
Brush Only — No Water
Includes
Grinder + Cleaning Brush
Key Features
S2C 660 Burr — HRC 55–58
Derived from the flagship Chestnut X burr set — spike geometry pre-fractures the bean for faster grinding speed and tighter particle distribution than standard conical cuts
Foldable Handle (PRO Exclusive)
Crank folds flat against the body for compact storage and travel — removes the main reason hand grinders get damaged in a bag or topple on a shelf
Point-to-Point Adjustment
Grind dial returns to the same position every time — set espresso at click 7–8, pour-over at 13–16, French press at 16–20 and return to any setting with zero guesswork
All-Metal Unibody
Single-piece aluminium alloy construction — no plastic joints to flex under torque or crack in cold weather; the body also dissipates heat from friction better than plastic housings
Dual-Bearing Centre Axis
Two-point bearing support eliminates lateral wobble in the inner burr — the direct cause of bimodal particle distribution that muddies extraction clarity
Non-Slip Silicone Base
Silicone ring grips any flat surface — grind one-handed without the other hand anchoring the cup; useful for trail cooking setups where counter space is limited
