Comandante Crank for C40 (Single Crank)
The hand wraps around the knob, the wrist finds its rhythm, and with every calm turn, the motion travels through the crank arm into the grinder — where whole beans are transformed into even grounds.
The crank arm is the element you guide when grinding. It sits centrally on the axle and directly transfers your hand movement to the grinding cone. A simple part with a big job: without it, the grinder stands still.
What makes the crank arm special
It's intended as a single part — as a replacement if the old one is bent or lost, or as a second crank for another grinding setup. The matching crank lid and a wooden knob can be chosen freely, so you can assemble your crank exactly as it feels right to you.
This is where the beauty of a hand grinder begins: it's not a closed device, but one that you make your own, part by part. Our opinion is one of many — but a grinder that you assemble yourself grinds somehow more beautifully.
At a glance
| Component |
Crank Arm (Single Crank) |
| Material |
Metal |
| Compatibility |
Comandante C40 (MK3 & MK4) |
| Scope of delivery |
Crank arm without lid and knob (available separately) |
| Origin |
Made in Germany |
Who it's for
For anyone with a Comandante C40 who needs a replacement or wants to rebuild their crank. Whether for repair or as a basis for a second, individually equipped crank — the crank arm is the starting point.
Matches with
The matching crank lid in clear or dark, as well as wooden knobs in oak and beech, can be found in Comandante Accessories and Spare Parts. The grinders themselves — from the affordable C40 to the larger C60 Baracuda — are under Hand Grinders, with more models under Coffee Grinders.
Frequently asked questions
Does the crank arm fit my C40 MK4?
Yes. It is made for the Comandante C40 in MK3 and MK4.
Are the lid and knob included?
No. This is the crank arm as a single part. You choose the crank lid (clear or dark) and the wooden knob separately — this way you assemble your crank yourself.
How does it differ from the "crank arm with lid"?
With this item, you only receive the arm. If you want both the arm and the lid together, you can also find the combined version with us.
Can I see the part in Bern or Zurich?
Yes, in our showrooms in Bern (Gerberngasse 44) and Zurich (Hagenholzstrasse 50b). You can shop online anytime, with delivery within 2–4 business days to Switzerland and Liechtenstein.
From our coffee roastery: When the crank is running smoothly again, freshly ground coffee tastes best. Most people reach for Cozy Chocolate or Nutty Delight for a dense, round cup profile. If you like nutty and acidity-free, try Very Nutty; for a fruity discovery, there's Wild Peach. That's our recommendation, one of many.
